6468256 has 24 divisors (see below), whose sum is σ = 12839904. Its totient is φ = 3207360.

The previous prime is 6468223. The next prime is 6468269. The reversal of 6468256 is 6528646.

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, 3421 + ... + 4963.

It is an arithmetic number, because the mean of its divisors is an integer number (534996).

Almost surely, 2^6468256 is an apocalyptic number.

It is an amenable number.

6468256 is a deficient number, since it is larger than the sum of its proper divisors (6371648).

6468256 is a wasteful number, since it uses less digits than its factorization.

6468256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684 (or 1676 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 6468256 is about 2543.2766267160. The cubic root of 6468256 is about 186.3212546605.

It can be divided in two parts, 6468 and 256, that added together give a square (6724 = 82²).

The spelling of 6468256 in words is "six million, four hundred sixty-eight thousand, two hundred fifty-six".