366646 has 8 divisors (see below), whose sum is σ = 628560. Its totient is φ = 157128.

The previous prime is 366631. The next prime is 366677. The reversal of 366646 is 646663.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13081 + ... + 13108.

It is an arithmetic number, because the mean of its divisors is an integer number (78570).

2³⁶⁶⁶⁴⁶ is an apocalyptic number.

366646 is a deficient number, since it is larger than the sum of its proper divisors (261914).

366646 is a wasteful number, since it uses less digits than its factorization.

366646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26198.

The product of its digits is 15552, while the sum is 31.

The square root of 366646 is about 605.5130056407. The cubic root of 366646 is about 71.5729608793.

The spelling of 366646 in words is "three hundred sixty-six thousand, six hundred forty-six".