856534792 has 16 divisors (see below), whose sum is σ = 1606890960. Its totient is φ = 428030544.

The previous prime is 856534751. The next prime is 856534799. The reversal of 856534792 is 297435658.

It is not an unprimeable number, because it can be changed into a prime (856534799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13738 + ... + 43609.

It is an arithmetic number, because the mean of its divisors is an integer number (100430685).

Almost surely, 2^856534792 is an apocalyptic number.

It is an amenable number.

856534792 is a deficient number, since it is larger than the sum of its proper divisors (750356168).

856534792 is a wasteful number, since it uses less digits than its factorization.

856534792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59220 (or 59216 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The square root of 856534792 is about 29266.6156567513. The cubic root of 856534792 is about 949.6895724428.

The spelling of 856534792 in words is "eight hundred fifty-six million, five hundred thirty-four thousand, seven hundred ninety-two".