80624394 has 12 divisors (see below), whose sum is σ = 174686226. Its totient is φ = 26874792.

The previous prime is 80624351. The next prime is 80624413. The reversal of 80624394 is 49342608.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 76475025 + 4149369 = 8745^2 + 2037^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2239549 + ... + 2239584.

Almost surely, 2^80624394 is an apocalyptic number.

80624394 is an abundant number, since it is smaller than the sum of its proper divisors (94061832).

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

80624394 is a wasteful number, since it uses less digits than its factorization.

80624394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479141 (or 4479138 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 80624394 is about 8979.1087531002. The cubic root of 80624394 is about 432.0050475233.

It can be divided in two parts, 80624 and 394, that added together give a palindrome (81018).

The spelling of 80624394 in words is "eighty million, six hundred twenty-four thousand, three hundred ninety-four".