397532 has 24 divisors (see below), whose sum is σ = 756000. Its totient is φ = 182336.

The previous prime is 397519. The next prime is 397541. The reversal of 397532 is 235793.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 397495 and 397504.

It is a congruent number.

It is an unprimeable number.

397532 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2594 + ... + 2742.

It is an arithmetic number, because the mean of its divisors is an integer number (31500).

2³⁹⁷⁵³² is an apocalyptic number.

It is an amenable number.

397532 is a deficient number, since it is larger than the sum of its proper divisors (358468).

397532 is a wasteful number, since it uses less digits than its factorization.

397532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 203 counting only the distinct ones).

The product of its digits is 5670, while the sum is 29.

The square root of 397532 is about 630.5013877859. The cubic root of 397532 is about 73.5287807444.

It can be divided in two parts, 397 and 532, that added together give a palindrome (929).

The spelling of 397532 in words is "three hundred ninety-seven thousand, five hundred thirty-two".