6455856 has 40 divisors (see below), whose sum is σ = 18195264. Its totient is φ = 1956160.

The previous prime is 6455837. The next prime is 6455857. The reversal of 6455856 is 6585546.

It is not an unprimeable number, because it can be changed into a prime (6455857) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5586 + ... + 6641.

Almost surely, 2^6455856 is an apocalyptic number.

6455856 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6455856 is an abundant number, since it is smaller than the sum of its proper divisors (11739408).

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

6455856 is a wasteful number, since it uses less digits than its factorization.

6455856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12249 (or 12243 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 6455856 is about 2540.8376571517. The cubic root of 6455856 is about 186.2021158226.

The spelling of 6455856 in words is "six million, four hundred fifty-five thousand, eight hundred fifty-six".