2455856 has 20 divisors (see below), whose sum is σ = 5124672. Its totient is φ = 1133376.

The previous prime is 2455847. The next prime is 2455889. The reversal of 2455856 is 6585542.

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, 5696 + ... + 6111.

2^2455856 is an apocalyptic number.

2455856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2455856 is an abundant number, since it is smaller than the sum of its proper divisors (2668816).

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

2455856 is a wasteful number, since it uses less digits than its factorization.

2455856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11828 (or 11822 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 2455856 is about 1567.1170983688. The cubic root of 2455856 is about 134.9172973109.

The spelling of 2455856 in words is "two million, four hundred fifty-five thousand, eight hundred fifty-six".