856300312 has 32 divisors (see below), whose sum is σ = 1838178720. Its totient is φ = 366336000.

The previous prime is 856300309. The next prime is 856300331. The reversal of 856300312 is 213003658.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19062 + ... + 45562.

It is an arithmetic number, because the mean of its divisors is an integer number (57443085).

Almost surely, 2^856300312 is an apocalyptic number.

It is an amenable number.

856300312 is an abundant number, since it is smaller than the sum of its proper divisors (981878408).

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

856300312 is a wasteful number, since it uses less digits than its factorization.

856300312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27091 (or 27087 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 856300312 is about 29262.6094530204. The cubic root of 856300312 is about 949.6029040295.

The spelling of 856300312 in words is "eight hundred fifty-six million, three hundred thousand, three hundred twelve".