397586 has 12 divisors (see below), whose sum is σ = 693918. Its totient is φ = 170352.

The previous prime is 397567. The next prime is 397589. The reversal of 397586 is 685793.

397586 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 337561 + 60025 = 581^2 + 245^2 .

It is not an unprimeable number, because it can be changed into a prime (397589) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1931 + ... + 2126.

2³⁹⁷⁵⁸⁶ is an apocalyptic number.

397586 is a deficient number, since it is larger than the sum of its proper divisors (296332).

397586 is a wasteful number, since it uses less digits than its factorization.

397586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073 (or 4066 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 397586 is about 630.5442093938. The cubic root of 397586 is about 73.5321099308.

The spelling of 397586 in words is "three hundred ninety-seven thousand, five hundred eighty-six".