864332404 has 12 divisors (see below), whose sum is σ = 1628934244. Its totient is φ = 398922624.

The previous prime is 864332383. The next prime is 864332503. The reversal of 864332404 is 404233468.

It can be written as a sum of positive squares in 2 ways, for example, as 121660900 + 742671504 = 11030^2 + 27252^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 864332404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8310837 + ... + 8310940.

Almost surely, 2^864332404 is an apocalyptic number.

It is an amenable number.

864332404 is a deficient number, since it is larger than the sum of its proper divisors (764601840).

864332404 is a wasteful number, since it uses less digits than its factorization.

864332404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16621794 (or 16621792 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 864332404 is about 29399.5306765261. The cubic root of 864332404 is about 952.5627586822.

The spelling of 864332404 in words is "eight hundred sixty-four million, three hundred thirty-two thousand, four hundred four".