Moses
Numbers 2:9BSB·traditional attribution

The total number of men in the divisions of the camp of Judah is 186,400; they shall set out first.

Matthew Henry Presbyterian @wholebiblehenry

We have here the particular distribution of the twelve tribes into four squadrons, three tribes in a squadron, one of which was to lead the other two. Observe, 1. God himself appointed them their place, to prevent strife and envy among them.

Commenting on Numbers 2:3-34

John Gill Reformed Baptist @doctorgill

All that were numbered in the camp of Judah were an hundred thousand and fourscore thousand and six thousand and four hundred, throughout their armies,.... 186,400 men. The sum total of the three tribes, which formed that camp: this was the largest camp of them all, being near 30,000 more than Dan's, Num 2:31, which was the next in number unto it, and therefore placed...

Geneva Bible Notes Reformed @genevanotes

All that were numbered in the camp of Judah [were] an hundred thousand and fourscore thousand and six thousand and four hundred, throughout their armies. These shall first set forth. (c) Of those who were contained under that name.