83904256 has 36 divisors (see below), whose sum is σ = 168074032. Its totient is φ = 41803776.

The previous prime is 83904251. The next prime is 83904257. The reversal of 83904256 is 65240938.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83904251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124336 + ... + 125008.

Almost surely, 2^83904256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83904256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84037016).

83904256 is an abundant number, since it is smaller than the sum of its proper divisors (84169776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83904256 is an equidigital number, since it uses as much as digits as its factorization.

83904256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 83904256 is about 9159.9266372608. The cubic root of 83904256 is about 437.7854568088.

The spelling of 83904256 in words is "eighty-three million, nine hundred four thousand, two hundred fifty-six".