813237204 has 24 divisors (see below), whose sum is σ = 2043519520. Its totient is φ = 250226784.

The previous prime is 813237203. The next prime is 813237241. The reversal of 813237204 is 402732318.

It is a super-2 number, since 2×813237204² = 1322709499939475232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813237203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2606374 + ... + 2606685.

Almost surely, 2^813237204 is an apocalyptic number.

It is an amenable number.

813237204 is an abundant number, since it is smaller than the sum of its proper divisors (1230282316).

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

813237204 is a wasteful number, since it uses less digits than its factorization.

813237204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213079 (or 5213077 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 813237204 is about 28517.3141091513. The cubic root of 813237204 is about 933.4099215496.

The spelling of 813237204 in words is "eight hundred thirteen million, two hundred thirty-seven thousand, two hundred four".