2456856 has 24 divisors (see below), whose sum is σ = 6654180. Its totient is φ = 818928.

The previous prime is 2456849. The next prime is 2456869. The reversal of 2456856 is 6586542.

2456856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2456856² = 12072282809472, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2456856.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16990 + ... + 17133.

2^2456856 is an apocalyptic number.

It is an amenable number.

2456856 is an abundant number, since it is smaller than the sum of its proper divisors (4197324).

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

2456856 is a wasteful number, since it uses less digits than its factorization.

2456856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34135 (or 34128 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 2456856 is about 1567.4361231004. The cubic root of 2456856 is about 134.9356071506.

The spelling of 2456856 in words is "two million, four hundred fifty-six thousand, eight hundred fifty-six".