"All the number ... is one hundred and eighty-six thousand four hundred." This number includes all of the men in the tribes that camped under the standard of Judah. AT: "The number of the men camped under the standard of Judah is 186,400" (See: [[rc://en/ta/man/translate/translate-numbers]] and [[rc://en/ta/man/translate/figs-explicit]])
# They will set out first
This means that they will set out first when the Israelite camp moves. AT: "When travelling, they will set out first" (See: [[rc://en/ta/man/translate/figs-explicit]])