558664 has 8 divisors (see below), whose sum is σ = 1047510. Its totient is φ = 279328.

The previous prime is 558661. The next prime is 558683. The reversal of 558664 is 466855.

It can be written as a sum of positive squares in only one way, i.e., 550564 + 8100 = 742^2 + 90^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (558661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34909 + ... + 34924.

2⁵⁵⁸⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

558664 is a deficient number, since it is larger than the sum of its proper divisors (488846).

558664 is a wasteful number, since it uses less digits than its factorization.

558664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69839 (or 69835 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 558664 is about 747.4382917673. The cubic root of 558664 is about 82.3601057392.

Subtracting from 558664 its reverse (466855), we obtain a square (91809 = 303²).

The spelling of 558664 in words is "five hundred fifty-eight thousand, six hundred sixty-four".