556928 has 32 divisors (see below), whose sum is σ = 1173000. Its totient is φ = 262656.

The previous prime is 556891. The next prime is 556931. The reversal of 556928 is 829655.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2318 + ... + 2546.

2⁵⁵⁶⁹²⁸ 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 556928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586500).

556928 is an abundant number, since it is smaller than the sum of its proper divisors (616072).

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

556928 is a wasteful number, since it uses less digits than its factorization.

556928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 250 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 556928 is about 746.2760883212. The cubic root of 556928 is about 82.2747082575.

The spelling of 556928 in words is "five hundred fifty-six thousand, nine hundred twenty-eight".