558940 has 12 divisors (see below), whose sum is σ = 1173816. Its totient is φ = 223568.

The previous prime is 558937. The next prime is 558947. The reversal of 558940 is 49855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (558947) 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, 13954 + ... + 13993.

It is an arithmetic number, because the mean of its divisors is an integer number (97818).

2⁵⁵⁸⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

558940 is an abundant number, since it is smaller than the sum of its proper divisors (614876).

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

558940 is a wasteful number, since it uses less digits than its factorization.

558940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27956 (or 27954 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 558940 is about 747.6228995958. The cubic root of 558940 is about 82.3736664524.

The spelling of 558940 in words is "five hundred fifty-eight thousand, nine hundred forty".