366556 has 6 divisors (see below), whose sum is σ = 641480. Its totient is φ = 183276.

The previous prime is 366547. The next prime is 366593. The reversal of 366556 is 655663.

It is a happy number.

It is a super-2 number, since 2×366556² = 268726602272, 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, 45816 + ... + 45823.

2³⁶⁶⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

366556 is a deficient number, since it is larger than the sum of its proper divisors (274924).

366556 is a wasteful number, since it uses less digits than its factorization.

366556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91643 (or 91641 counting only the distinct ones).

The product of its digits is 16200, while the sum is 31.

The square root of 366556 is about 605.4386839309. The cubic root of 366556 is about 71.5671041005.

It can be divided in two parts, 3665 and 56, that added together give a square (3721 = 61²).

The spelling of 366556 in words is "three hundred sixty-six thousand, five hundred fifty-six".