397708 has 12 divisors (see below), whose sum is σ = 732760. Its totient is φ = 188352.

The previous prime is 397697. The next prime is 397721. The reversal of 397708 is 807793.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541 + ... + 2692.

2³⁹⁷⁷⁰⁸ is an apocalyptic number.

397708 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

397708 is a deficient number, since it is larger than the sum of its proper divisors (335052).

397708 is a wasteful number, since it uses less digits than its factorization.

397708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256 (or 5254 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 397708 is about 630.6409438024. The cubic root of 397708 is about 73.5396303163.

The spelling of 397708 in words is "three hundred ninety-seven thousand, seven hundred eight".