390164 has 12 divisors (see below), whose sum is σ = 690144. Its totient is φ = 192984.

The previous prime is 390161. The next prime is 390191. The reversal of 390164 is 461093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62 + ... + 885.

It is an arithmetic number, because the mean of its divisors is an integer number (57512).

2³⁹⁰¹⁶⁴ is an apocalyptic number.

It is an amenable number.

390164 is a deficient number, since it is larger than the sum of its proper divisors (299980).

390164 is a wasteful number, since it uses less digits than its factorization.

390164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 390164 is about 624.6310911250. The cubic root of 390164 is about 73.0716753956.

The spelling of 390164 in words is "three hundred ninety thousand, one hundred sixty-four".