366591 has 8 divisors (see below), whose sum is σ = 494640. Its totient is φ = 241472.

The previous prime is 366547. The next prime is 366593. The reversal of 366591 is 195663.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 366591 - 2⁷ = 366463 is a prime.

It is a super-2 number, since 2×366591² = 268777922562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420 + ... + 953.

It is an arithmetic number, because the mean of its divisors is an integer number (61830).

2³⁶⁶⁵⁹¹ is an apocalyptic number.

366591 is a deficient number, since it is larger than the sum of its proper divisors (128049).

366591 is a wasteful number, since it uses less digits than its factorization.

366591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465.

The product of its digits is 4860, while the sum is 30.

The square root of 366591 is about 605.4675879021. The cubic root of 366591 is about 71.5693818506.

The spelling of 366591 in words is "three hundred sixty-six thousand, five hundred ninety-one".