4456256 has 70 divisors (see below), whose sum is σ = 10671810. Its totient is φ = 1843968.

The previous prime is 4456223. The next prime is 4456297. The reversal of 4456256 is 6526544.

It can be written as a sum of positive squares in only one way, i.e., 3841600 + 614656 = 1960^2 + 784^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 153650 + ... + 153678.

Almost surely, 2^4456256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4456256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5335905).

4456256 is an abundant number, since it is smaller than the sum of its proper divisors (6215554).

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

4456256 is an frugal number, since it uses more digits than its factorization.

4456256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 38 counting only the distinct ones).

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

The square root of 4456256 is about 2110.9846043967. The cubic root of 4456256 is about 164.5596584579.

The spelling of 4456256 in words is "four million, four hundred fifty-six thousand, two hundred fifty-six".