397000 has 32 divisors (see below), whose sum is σ = 931320. Its totient is φ = 158400.

The previous prime is 396997. The next prime is 397013. The reversal of 397000 is 793.

It is a happy number.

397000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 148996 + 248004 = 386^2 + 498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802 + ... + 1198.

2³⁹⁷⁰⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465660).

397000 is an abundant number, since it is smaller than the sum of its proper divisors (534320).

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

397000 is a wasteful number, since it uses less digits than its factorization.

397000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 397000 is about 630.0793600809. The cubic root of 397000 is about 73.4959659655.

Adding to 397000 its reverse (793), we get a palindrome (397793).

The spelling of 397000 in words is "three hundred ninety-seven thousand".