455728 has 40 divisors (see below), whose sum is σ = 1090208. Its totient is φ = 179712.

The previous prime is 455717. The next prime is 455737. The reversal of 455728 is 827554.

It is a self number, because there is not a number n which added to its sum of digits gives 455728.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300 + ... + 1612.

2⁴⁵⁵⁷²⁸ 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 455728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545104).

455728 is an abundant number, since it is smaller than the sum of its proper divisors (634480).

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

455728 is a wasteful number, since it uses less digits than its factorization.

455728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 335 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 455728 is about 675.0762919848. The cubic root of 455728 is about 76.9547156005.

The spelling of 455728 in words is "four hundred fifty-five thousand, seven hundred twenty-eight".