397504 has 14 divisors (see below), whose sum is σ = 788924. Its totient is φ = 198720.

The previous prime is 397493. The next prime is 397517. The reversal of 397504 is 405793.

397504 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3042 + ... + 3169.

2³⁹⁷⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

397504 is a deficient number, since it is larger than the sum of its proper divisors (391420).

397504 is an equidigital number, since it uses as much as digits as its factorization.

397504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6223 (or 6213 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 397504 is about 630.4791828443. The cubic root of 397504 is about 73.5270543809.

The spelling of 397504 in words is "three hundred ninety-seven thousand, five hundred four".