831264804 has 36 divisors (see below), whose sum is σ = 2192613696. Its totient is φ = 265040688.

The previous prime is 831264803. The next prime is 831264809. The reversal of 831264804 is 408462138.

831264804 is a `hidden beast` number, since 8 + 3 + 1 + 2 + 648 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (831264803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 501144 + ... + 502799.

It is an arithmetic number, because the mean of its divisors is an integer number (60905936).

Almost surely, 2^831264804 is an apocalyptic number.

It is an amenable number.

831264804 is an abundant number, since it is smaller than the sum of its proper divisors (1361348892).

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

831264804 is a wasteful number, since it uses less digits than its factorization.

831264804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003976 (or 1003971 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 831264804 is about 28831.6632194537. The cubic root of 831264804 is about 940.2567594965.

The spelling of 831264804 in words is "eight hundred thirty-one million, two hundred sixty-four thousand, eight hundred four".