4056656 has 20 divisors (see below), whose sum is σ = 7972704. Its totient is φ = 1999200.

The previous prime is 4056641. The next prime is 4056697. The reversal of 4056656 is 6566504.

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

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, 650 + ... + 2921.

Almost surely, 2^4056656 is an apocalyptic number.

It is an amenable number.

4056656 is a deficient number, since it is larger than the sum of its proper divisors (3916048).

4056656 is a wasteful number, since it uses less digits than its factorization.

4056656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650 (or 3644 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 4056656 is about 2014.1141973582. The cubic root of 4056656 is about 159.4860592566.

The spelling of 4056656 in words is "four million, fifty-six thousand, six hundred fifty-six".