397170 has 32 divisors (see below), whose sum is σ = 1059840. Its totient is φ = 105840.

The previous prime is 397153. The next prime is 397181. The reversal of 397170 is 71793.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466 + ... + 1005.

It is an arithmetic number, because the mean of its divisors is an integer number (33120).

2³⁹⁷¹⁷⁰ is an apocalyptic number.

397170 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

397170 is an abundant number, since it is smaller than the sum of its proper divisors (662670).

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

397170 is a wasteful number, since it uses less digits than its factorization.

397170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 397170 is about 630.2142492835. The cubic root of 397170 is about 73.5064550766.

The spelling of 397170 in words is "three hundred ninety-seven thousand, one hundred seventy".