397574 has 8 divisors (see below), whose sum is σ = 601128. Its totient is φ = 197200.

The previous prime is 397567. The next prime is 397589. The reversal of 397574 is 475793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 397574.

It is an unprimeable number.

397574 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 3 ways as a sum of consecutive naturals, for example, 452 + ... + 999.

It is an arithmetic number, because the mean of its divisors is an integer number (75141).

2³⁹⁷⁵⁷⁴ is an apocalyptic number.

397574 is a deficient number, since it is larger than the sum of its proper divisors (203554).

397574 is a wasteful number, since it uses less digits than its factorization.

397574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590.

The product of its digits is 26460, while the sum is 35.

The square root of 397574 is about 630.5346937322. The cubic root of 397574 is about 73.5313701376.

The spelling of 397574 in words is "three hundred ninety-seven thousand, five hundred seventy-four".