397065 has 16 divisors (see below), whose sum is σ = 643968. Its totient is φ = 208896.

The previous prime is 397063. The next prime is 397073. The reversal of 397065 is 560793.

397065 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 397065 - 2¹ = 397063 is a prime.

It is a super-2 number, since 2×397065² = 315321228450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (397063) 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, 1417 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (40248).

2³⁹⁷⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

397065 is a deficient number, since it is larger than the sum of its proper divisors (246903).

397065 is a wasteful number, since it uses less digits than its factorization.

397065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 397065 is about 630.1309387738. The cubic root of 397065 is about 73.4999768615.

The spelling of 397065 in words is "three hundred ninety-seven thousand, sixty-five".