3156656 has 20 divisors (see below), whose sum is σ = 6192312. Its totient is φ = 1558656.

The previous prime is 3156653. The next prime is 3156667. The reversal of 3156656 is 6566513.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3156653) 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, 140 + ... + 2516.

Almost surely, 2^3156656 is an apocalyptic number.

It is an amenable number.

3156656 is a deficient number, since it is larger than the sum of its proper divisors (3035656).

3156656 is a wasteful number, since it uses less digits than its factorization.

3156656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468 (or 2462 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 3156656 is about 1776.6980610109. The cubic root of 3156656 is about 146.6928970533.

The spelling of 3156656 in words is "three million, one hundred fifty-six thousand, six hundred fifty-six".