397197 has 16 divisors (see below), whose sum is σ = 602880. Its totient is φ = 258336.

The previous prime is 397183. The next prime is 397211. The reversal of 397197 is 791793.

It is an interprime number because it is at equal distance from previous prime (397183) and next prime (397211).

It is not a de Polignac number, because 397197 - 2⁴ = 397181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397127) 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, 1113 + ... + 1425.

It is an arithmetic number, because the mean of its divisors is an integer number (37680).

2³⁹⁷¹⁹⁷ is an apocalyptic number.

It is an amenable number.

397197 is a deficient number, since it is larger than the sum of its proper divisors (205683).

397197 is a wasteful number, since it uses less digits than its factorization.

397197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 363 counting only the distinct ones).

The product of its digits is 11907, while the sum is 36.

The square root of 397197 is about 630.2356702060. The cubic root of 397197 is about 73.5081207187.

The spelling of 397197 in words is "three hundred ninety-seven thousand, one hundred ninety-seven".