6368256 has 66 divisors (see below), whose sum is σ = 18414812. Its totient is φ = 2119680.

The previous prime is 6368239. The next prime is 6368267. The reversal of 6368256 is 6528636.

It is a super-4 number, since 4×6368256⁴ (a number of 28 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 6² + 3¹³ + 6⁷ + 8⁴ + 2²² + 5⁶ + 6⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 6368256.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8871 + ... + 9561.

Almost surely, 2^6368256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6368256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9207406).

6368256 is an abundant number, since it is smaller than the sum of its proper divisors (12046556).

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

6368256 is a wasteful number, since it uses less digits than its factorization.

6368256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 696 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 6368256 is about 2523.5403701942. The cubic root of 6368256 is about 185.3560806865.

The spelling of 6368256 in words is "six million, three hundred sixty-eight thousand, two hundred fifty-six".