397570 has 16 divisors (see below), whose sum is σ = 725760. Its totient is φ = 156784.

The previous prime is 397567. The next prime is 397589. The reversal of 397570 is 75793.

397570 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 in 7 ways as a sum of consecutive naturals, for example, 591 + ... + 1069.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2³⁹⁷⁵⁷⁰ is an apocalyptic number.

397570 is a deficient number, since it is larger than the sum of its proper divisors (328190).

397570 is a wasteful number, since it uses less digits than its factorization.

397570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569.

The product of its (nonzero) digits is 6615, while the sum is 31.

The square root of 397570 is about 630.5315218131. The cubic root of 397570 is about 73.5311235366.

The spelling of 397570 in words is "three hundred ninety-seven thousand, five hundred seventy".