397304 has 8 divisors (see below), whose sum is σ = 744960. Its totient is φ = 198648.

The previous prime is 397303. The next prime is 397337. The reversal of 397304 is 403793.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24824 + ... + 24839.

It is an arithmetic number, because the mean of its divisors is an integer number (93120).

2³⁹⁷³⁰⁴ is an apocalyptic number.

It is an amenable number.

397304 is a deficient number, since it is larger than the sum of its proper divisors (347656).

397304 is a wasteful number, since it uses less digits than its factorization.

397304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49669 (or 49665 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 397304 is about 630.3205533695. The cubic root of 397304 is about 73.5147208548.

The spelling of 397304 in words is "three hundred ninety-seven thousand, three hundred four".