It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 39816.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 39816.
It is an unprimeable number.
239816 is an apocalyptic number.
39816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 39816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39816 is a wasteful number, since it uses less digits than its factorization.
39816 is an odious number, because the sum of its binary digits is odd.
The square root of 39816 is about 199.5394697798. The cubic root of 39816 is about 34.1469990582.
The spelling of 39816 in words is "thirty-nine thousand, eight hundred sixteen".