396558 has 12 divisors (see below), whose sum is σ = 859248. Its totient is φ = 132180.

The previous prime is 396547. The next prime is 396563. The reversal of 396558 is 855693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10998 + ... + 11033.

It is an arithmetic number, because the mean of its divisors is an integer number (71604).

2³⁹⁶⁵⁵⁸ is an apocalyptic number.

396558 is an abundant number, since it is smaller than the sum of its proper divisors (462690).

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

396558 is a wasteful number, since it uses less digits than its factorization.

396558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22039 (or 22036 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 396558 is about 629.7285129324. The cubic root of 396558 is about 73.4686802558.

The spelling of 396558 in words is "three hundred ninety-six thousand, five hundred fifty-eight".