397137 has 16 divisors (see below), whose sum is σ = 604800. Its totient is φ = 229632.

The previous prime is 397127. The next prime is 397151. The reversal of 397137 is 731793.

It is not a de Polignac number, because 397137 - 2⁶ = 397073 is a prime.

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, 364 + ... + 962.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2³⁹⁷¹³⁷ is an apocalyptic number.

It is an amenable number.

397137 is a deficient number, since it is larger than the sum of its proper divisors (207663).

397137 is a wasteful number, since it uses less digits than its factorization.

397137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its digits is 3969, while the sum is 30.

The square root of 397137 is about 630.1880671673. The cubic root of 397137 is about 73.5044191891.

The spelling of 397137 in words is "three hundred ninety-seven thousand, one hundred thirty-seven".