856676 has 12 divisors (see below), whose sum is σ = 1518720. Its totient is φ = 422760.

The previous prime is 856649. The next prime is 856693. The reversal of 856676 is 676658.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 856676.

It is an unprimeable number.

856676 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (126560).

2⁸⁵⁶⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

856676 is a deficient number, since it is larger than the sum of its proper divisors (662044).

856676 is a wasteful number, since it uses less digits than its factorization.

856676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794 (or 2792 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 856676 is about 925.5679337574. The cubic root of 856676 is about 94.9741758062.

The spelling of 856676 in words is "eight hundred fifty-six thousand, six hundred seventy-six".