397580 has 24 divisors (see below), whose sum is σ = 847392. Its totient is φ = 156672.

The previous prime is 397567. The next prime is 397589. The reversal of 397580 is 85793.

397580 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (397589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1964 + ... + 2156.

It is an arithmetic number, because the mean of its divisors is an integer number (35308).

2³⁹⁷⁵⁸⁰ is an apocalyptic number.

397580 is the 515-th pentagonal number.

It is an amenable number.

397580 is an abundant number, since it is smaller than the sum of its proper divisors (449812).

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

397580 is a wasteful number, since it uses less digits than its factorization.

397580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 397580 is about 630.5394515809. The cubic root of 397580 is about 73.5317400361.

The spelling of 397580 in words is "three hundred ninety-seven thousand, five hundred eighty".