397932 has 12 divisors (see below), whose sum is σ = 928536. Its totient is φ = 132640.

The previous prime is 397921. The next prime is 397939. The reversal of 397932 is 239793.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 397893 and 397902.

It is not an unprimeable number, because it can be changed into a prime (397939) 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, 16569 + ... + 16592.

It is an arithmetic number, because the mean of its divisors is an integer number (77378).

2³⁹⁷⁹³² is an apocalyptic number.

It is an amenable number.

397932 is an abundant number, since it is smaller than the sum of its proper divisors (530604).

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

397932 is a wasteful number, since it uses less digits than its factorization.

397932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33168 (or 33166 counting only the distinct ones).

The product of its digits is 10206, while the sum is 33.

The square root of 397932 is about 630.8185158982. The cubic root of 397932 is about 73.5534342340.

The spelling of 397932 in words is "three hundred ninety-seven thousand, nine hundred thirty-two".