397308 has 24 divisors (see below), whose sum is σ = 938448. Its totient is φ = 130816.

The previous prime is 397303. The next prime is 397337. The reversal of 397308 is 803793.

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.

397308 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, 1210 + ... + 1502.

It is an arithmetic number, because the mean of its divisors is an integer number (39102).

2³⁹⁷³⁰⁸ is an apocalyptic number.

It is an amenable number.

397308 is an abundant number, since it is smaller than the sum of its proper divisors (541140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397308 is a wasteful number, since it uses less digits than its factorization.

397308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 397308 is about 630.3237263502. The cubic root of 397308 is about 73.5149675659.

The spelling of 397308 in words is "three hundred ninety-seven thousand, three hundred eight".