397271 has 16 divisors (see below), whose sum is σ = 499200. Its totient is φ = 308448.

The previous prime is 397259. The next prime is 397283. The reversal of 397271 is 172793.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (397259) and next prime (397283).

It is not a de Polignac number, because 397271 - 2¹⁰ = 396247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3806 + ... + 3908.

It is an arithmetic number, because the mean of its divisors is an integer number (31200).

2³⁹⁷²⁷¹ is an apocalyptic number.

397271 is a deficient number, since it is larger than the sum of its proper divisors (101929).

397271 is a wasteful number, since it uses less digits than its factorization.

397271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158.

The product of its digits is 2646, while the sum is 29.

The square root of 397271 is about 630.2943756690. The cubic root of 397271 is about 73.5126854252.

The spelling of 397271 in words is "three hundred ninety-seven thousand, two hundred seventy-one".