4256624 has 20 divisors (see below), whose sum is σ = 8291136. Its totient is φ = 2116992.

The previous prime is 4256617. The next prime is 4256639. The reversal of 4256624 is 4266524.

It is a Smith number, since the sum of its digits (29) 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, 2972 + ... + 4164.

Almost surely, 2^4256624 is an apocalyptic number.

It is an amenable number.

4256624 is a deficient number, since it is larger than the sum of its proper divisors (4034512).

4256624 is a wasteful number, since it uses less digits than its factorization.

4256624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424 (or 1418 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 4256624 is about 2063.1587432866. The cubic root of 4256624 is about 162.0647000621.

The spelling of 4256624 in words is "four million, two hundred fifty-six thousand, six hundred twenty-four".