856490112 has 80 divisors (see below), whose sum is σ = 2548931550. Its totient is φ = 285493248.

The previous prime is 856490099. The next prime is 856490143. The reversal of 856490112 is 211094658.

856490112 is a `hidden beast` number, since 8 + 5 + 649 + 0 + 1 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 841928256 + 14561856 = 29016^2 + 3816^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 30937 + ... + 51672.

Almost surely, 2^856490112 is an apocalyptic number.

It is an amenable number.

856490112 is an abundant number, since it is smaller than the sum of its proper divisors (1692441438).

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

856490112 is an equidigital number, since it uses as much as digits as its factorization.

856490112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82635 (or 82614 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 856490112 is about 29265.8523197258. The cubic root of 856490112 is about 949.6730590572.

The spelling of 856490112 in words is "eight hundred fifty-six million, four hundred ninety thousand, one hundred twelve".