397164 has 24 divisors (see below), whose sum is σ = 967680. Its totient is φ = 126544.

The previous prime is 397153. The next prime is 397181. The reversal of 397164 is 461793.

It is a happy number.

397164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2³⁹⁷¹⁶⁴ is an apocalyptic number.

It is an amenable number.

397164 is an abundant number, since it is smaller than the sum of its proper divisors (570516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397164 is a wasteful number, since it uses less digits than its factorization.

397164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469 (or 1467 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 397164 is about 630.2094889797. The cubic root of 397164 is about 73.5060849236.

It can be divided in two parts, 397 and 164, that added together give a triangular number (561 = T₃₃).

The spelling of 397164 in words is "three hundred ninety-seven thousand, one hundred sixty-four".