813994304 has 14 divisors (see below), whose sum is σ = 1615270074. Its totient is φ = 406997120.

The previous prime is 813994283. The next prime is 813994319. The reversal of 813994304 is 403499318.

It can be written as a sum of positive squares in only one way, i.e., 750760000 + 63234304 = 27400^2 + 7952^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6359267 + ... + 6359394.

Almost surely, 2^813994304 is an apocalyptic number.

It is an amenable number.

813994304 is a deficient number, since it is larger than the sum of its proper divisors (801275770).

813994304 is a wasteful number, since it uses less digits than its factorization.

813994304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12718673 (or 12718663 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 813994304 is about 28530.5854128512. The cubic root of 813994304 is about 933.6994908005.

The spelling of 813994304 in words is "eight hundred thirteen million, nine hundred ninety-four thousand, three hundred four".