6623256 has 16 divisors (see below), whose sum is σ = 16558200. Its totient is φ = 2207744.

The previous prime is 6623237. The next prime is 6623261. The reversal of 6623256 is 6523266.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137961 + ... + 138008.

Almost surely, 2^6623256 is an apocalyptic number.

It is an amenable number.

6623256 is an abundant number, since it is smaller than the sum of its proper divisors (9934944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6623256 is a wasteful number, since it uses less digits than its factorization.

6623256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275978 (or 275974 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 6623256 is about 2573.5687284392. The cubic root of 6623256 is about 187.7978058563.

The spelling of 6623256 in words is "six million, six hundred twenty-three thousand, two hundred fifty-six".