860870904 has 32 divisors (see below), whose sum is σ = 2157314640. Its totient is φ = 286272000.

The previous prime is 860870851. The next prime is 860870909. The reversal of 860870904 is 409078068.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860870909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32497 + ... + 52704.

Almost surely, 2^860870904 is an apocalyptic number.

It is an amenable number.

860870904 is an abundant number, since it is smaller than the sum of its proper divisors (1296443736).

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

860870904 is a wasteful number, since it uses less digits than its factorization.

860870904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85631 (or 85627 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 860870904 is about 29340.6016298235. The cubic root of 860870904 is about 951.2894416531.

The spelling of 860870904 in words is "eight hundred sixty million, eight hundred seventy thousand, nine hundred four".