558728 has 16 divisors (see below), whose sum is σ = 1055760. Its totient is φ = 277200.

The previous prime is 558721. The next prime is 558731. The reversal of 558728 is 827855.

558728 is nontrivially palindromic in base 16.

It is not an unprimeable number, because it can be changed into a prime (558721) 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, 1523 + ... + 1853.

It is an arithmetic number, because the mean of its divisors is an integer number (65985).

2⁵⁵⁸⁷²⁸ is an apocalyptic number.

It is an amenable number.

558728 is a deficient number, since it is larger than the sum of its proper divisors (497032).

558728 is a wasteful number, since it uses less digits than its factorization.

558728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 544 counting only the distinct ones).

The product of its digits is 22400, while the sum is 35.

The square root of 558728 is about 747.4811034401. The cubic root of 558728 is about 82.3632506501.

The spelling of 558728 in words is "five hundred fifty-eight thousand, seven hundred twenty-eight".