558990 has 24 divisors (see below), whose sum is σ = 1453608. Its totient is φ = 149040.

The previous prime is 558979. The next prime is 558997. The reversal of 558990 is 99855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (558997) by changing a digit.

558990 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3016 + ... + 3195.

It is an arithmetic number, because the mean of its divisors is an integer number (60567).

2⁵⁵⁸⁹⁹⁰ is an apocalyptic number.

558990 is an abundant number, since it is smaller than the sum of its proper divisors (894618).

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

558990 is a wasteful number, since it uses less digits than its factorization.

558990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6224 (or 6221 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 558990 is about 747.6563381661. The cubic root of 558990 is about 82.3761226257.

It can be divided in two parts, 55 and 8990, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 558990 in words is "five hundred fifty-eight thousand, nine hundred ninety".