4256864 has 24 divisors (see below), whose sum is σ = 8450568. Its totient is φ = 2110720.

The previous prime is 4256839. The next prime is 4256897. The reversal of 4256864 is 4686524.

It is a super-2 number, since 2×4256864² = 36241782228992, which contains 22 as substring.

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, 3899 + ... + 4869.

It is an arithmetic number, because the mean of its divisors is an integer number (352107).

Almost surely, 2^4256864 is an apocalyptic number.

It is an amenable number.

4256864 is a deficient number, since it is larger than the sum of its proper divisors (4193704).

4256864 is a wasteful number, since it uses less digits than its factorization.

4256864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1110 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 4256864 is about 2063.2169057082. The cubic root of 4256864 is about 162.0677458872.

The spelling of 4256864 in words is "four million, two hundred fifty-six thousand, eight hundred sixty-four".