366605 has 16 divisors (see below), whose sum is σ = 492480. Its totient is φ = 260352.

The previous prime is 366599. The next prime is 366607. The reversal of 366605 is 506663.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-366605 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1502 + ... + 1728.

It is an arithmetic number, because the mean of its divisors is an integer number (30780).

2³⁶⁶⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

366605 is a deficient number, since it is larger than the sum of its proper divisors (125875).

366605 is a wasteful number, since it uses less digits than its factorization.

366605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 366605 is about 605.4791491042. The cubic root of 366605 is about 71.5702929100.

The spelling of 366605 in words is "three hundred sixty-six thousand, six hundred five".