870684456 has 16 divisors (see below), whose sum is σ = 2176711200. Its totient is φ = 290228144.

The previous prime is 870684439. The next prime is 870684467. The reversal of 870684456 is 654486078.

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, 18139236 + ... + 18139283.

It is an arithmetic number, because the mean of its divisors is an integer number (136044450).

Almost surely, 2^870684456 is an apocalyptic number.

It is an amenable number.

870684456 is an abundant number, since it is smaller than the sum of its proper divisors (1306026744).

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

870684456 is a wasteful number, since it uses less digits than its factorization.

870684456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36278528 (or 36278524 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The square root of 870684456 is about 29507.3627422039. The cubic root of 870684456 is about 954.8905536884.

The spelling of 870684456 in words is "eight hundred seventy million, six hundred eighty-four thousand, four hundred fifty-six".