366538 has 8 divisors (see below), whose sum is σ = 554400. Its totient is φ = 181740.

The previous prime is 366521. The next prime is 366547. The reversal of 366538 is 835663.

366538 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

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

It is an unprimeable number.

366538 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438 + ... + 961.

It is an arithmetic number, because the mean of its divisors is an integer number (69300).

2³⁶⁶⁵³⁸ is an apocalyptic number.

366538 is a deficient number, since it is larger than the sum of its proper divisors (187862).

366538 is a wasteful number, since it uses less digits than its factorization.

366538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532.

The product of its digits is 12960, while the sum is 31.

The square root of 366538 is about 605.4238184941. The cubic root of 366538 is about 71.5659326297.

The spelling of 366538 in words is "three hundred sixty-six thousand, five hundred thirty-eight".