856466356 has 12 divisors (see below), whose sum is σ = 1499020992. Its totient is φ = 428174648.

The previous prime is 856466339. The next prime is 856466393. The reversal of 856466356 is 653664658.

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, 50811 + ... + 65533.

It is an arithmetic number, because the mean of its divisors is an integer number (124918416).

Almost surely, 2^856466356 is an apocalyptic number.

It is an amenable number.

856466356 is a deficient number, since it is larger than the sum of its proper divisors (642554636).

856466356 is a wasteful number, since it uses less digits than its factorization.

856466356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29270 (or 29268 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

The square root of 856466356 is about 29265.4464514041. The cubic root of 856466356 is about 949.6642787878.

The spelling of 856466356 in words is "eight hundred fifty-six million, four hundred sixty-six thousand, three hundred fifty-six".