4256456 has 32 divisors (see below), whose sum is σ = 8618400. Its totient is φ = 1964160.

The previous prime is 4256431. The next prime is 4256459. The reversal of 4256456 is 6546524.

It is not an unprimeable number, because it can be changed into a prime (4256459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5891 + ... + 6573.

It is an arithmetic number, because the mean of its divisors is an integer number (269325).

Almost surely, 2^4256456 is an apocalyptic number.

It is an amenable number.

4256456 is an abundant number, since it is smaller than the sum of its proper divisors (4361944).

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

4256456 is a wasteful number, since it uses less digits than its factorization.

4256456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 745 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 4256456 is about 2063.1180286159. The cubic root of 4256456 is about 162.0625679163.

The spelling of 4256456 in words is "four million, two hundred fifty-six thousand, four hundred fifty-six".