355988 has 6 divisors (see below), whose sum is σ = 622986. Its totient is φ = 177992.

The previous prime is 355969. The next prime is 356023. The reversal of 355988 is 889553.

It can be written as a sum of positive squares in only one way, i.e., 334084 + 21904 = 578^2 + 148^2 .

It is a super-2 number, since 2×355988² = 253454912288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44495 + ... + 44502.

It is an arithmetic number, because the mean of its divisors is an integer number (103831).

2³⁵⁵⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

355988 is a deficient number, since it is larger than the sum of its proper divisors (266998).

355988 is a wasteful number, since it uses less digits than its factorization.

355988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89001 (or 88999 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 355988 is about 596.6472994995. The cubic root of 355988 is about 70.8726142756.

The spelling of 355988 in words is "three hundred fifty-five thousand, nine hundred eighty-eight".