397436 has 12 divisors (see below), whose sum is σ = 749112. Its totient is φ = 183408.

The previous prime is 397433. The next prime is 397459. The reversal of 397436 is 634793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397433) 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, 3770 + ... + 3873.

It is an arithmetic number, because the mean of its divisors is an integer number (62426).

2³⁹⁷⁴³⁶ is an apocalyptic number.

It is an amenable number.

397436 is a deficient number, since it is larger than the sum of its proper divisors (351676).

397436 is a wasteful number, since it uses less digits than its factorization.

397436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7660 (or 7658 counting only the distinct ones).

The product of its digits is 13608, while the sum is 32.

The square root of 397436 is about 630.4252533013. The cubic root of 397436 is about 73.5228614463.

The spelling of 397436 in words is "three hundred ninety-seven thousand, four hundred thirty-six".