80934644 has 12 divisors (see below), whose sum is σ = 161869344. Its totient is φ = 34686264.

The previous prime is 80934629. The next prime is 80934649. The reversal of 80934644 is 44643908.

80934644 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 80934598 and 80934607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80934649) 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, 1445234 + ... + 1445289.

It is an arithmetic number, because the mean of its divisors is an integer number (13489112).

Almost surely, 2^80934644 is an apocalyptic number.

It is an amenable number.

80934644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80934644 is a wasteful number, since it uses less digits than its factorization.

80934644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890534 (or 2890532 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 80934644 is about 8996.3683784069. The cubic root of 80934644 is about 432.5584698257.

It can be divided in two parts, 809 and 34644, that added together give a palindrome (35453).

The spelling of 80934644 in words is "eighty million, nine hundred thirty-four thousand, six hundred forty-four".