558840 has 32 divisors (see below), whose sum is σ = 1676880. Its totient is φ = 148992.

The previous prime is 558829. The next prime is 558863. The reversal of 558840 is 48855.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 558798 and 558807.

It is a congruent number.

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, 2209 + ... + 2448.

2⁵⁵⁸⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

558840 is an abundant number, since it is smaller than the sum of its proper divisors (1118040).

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

558840 is a wasteful number, since it uses less digits than its factorization.

558840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671 (or 4667 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 558840 is about 747.5560179679. The cubic root of 558840 is about 82.3687536663.

The spelling of 558840 in words is "five hundred fifty-eight thousand, eight hundred forty".