4056456 has 16 divisors (see below), whose sum is σ = 10141200. Its totient is φ = 1352144.

The previous prime is 4056431. The next prime is 4056457. The reversal of 4056456 is 6546504.

It is not an unprimeable number, because it can be changed into a prime (4056457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84486 + ... + 84533.

It is an arithmetic number, because the mean of its divisors is an integer number (633825).

Almost surely, 2^4056456 is an apocalyptic number.

It is an amenable number.

4056456 is an abundant number, since it is smaller than the sum of its proper divisors (6084744).

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

4056456 is a wasteful number, since it uses less digits than its factorization.

4056456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169028 (or 169024 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 4056456 is about 2014.0645471285. The cubic root of 4056456 is about 159.4834382361.

The spelling of 4056456 in words is "four million, fifty-six thousand, four hundred fifty-six".