3256856 has 16 divisors (see below), whose sum is σ = 6127440. Its totient is φ = 1622880.

The previous prime is 3256831. The next prime is 3256861. The reversal of 3256856 is 6586523.

It is a super-2 number, since 2×3256856² = 21214222009472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) 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, 2885 + ... + 3851.

It is an arithmetic number, because the mean of its divisors is an integer number (382965).

Almost surely, 2^3256856 is an apocalyptic number.

It is an amenable number.

3256856 is a deficient number, since it is larger than the sum of its proper divisors (2870584).

3256856 is a wasteful number, since it uses less digits than its factorization.

3256856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394 (or 1390 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 3256856 is about 1804.6761482327. The cubic root of 3256856 is about 148.2288885874.

The spelling of 3256856 in words is "three million, two hundred fifty-six thousand, eight hundred fifty-six".