397875 has 16 divisors (see below), whose sum is σ = 662688. Its totient is φ = 212000.

The previous prime is 397867. The next prime is 397897. The reversal of 397875 is 578793.

It is not a de Polignac number, because 397875 - 2³ = 397867 is a prime.

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, 156 + ... + 905.

It is an arithmetic number, because the mean of its divisors is an integer number (41418).

2³⁹⁷⁸⁷⁵ is an apocalyptic number.

397875 is a deficient number, since it is larger than the sum of its proper divisors (264813).

397875 is a wasteful number, since it uses less digits than its factorization.

397875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1069 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 397875 is about 630.7733348835. The cubic root of 397875 is about 73.5499221214.

The spelling of 397875 in words is "three hundred ninety-seven thousand, eight hundred seventy-five".