397005 has 32 divisors (see below), whose sum is σ = 768000. Its totient is φ = 171072.

The previous prime is 396997. The next prime is 397013. The reversal of 397005 is 500793.

It is an interprime number because it is at equal distance from previous prime (396997) and next prime (397013).

It is not a de Polignac number, because 397005 - 2³ = 396997 is a prime.

It is a super-2 number, since 2×397005² = 315225940050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1896 + ... + 2094.

It is an arithmetic number, because the mean of its divisors is an integer number (24000).

2³⁹⁷⁰⁰⁵ is an apocalyptic number.

397005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

397005 is a deficient number, since it is larger than the sum of its proper divisors (370995).

397005 is a wasteful number, since it uses less digits than its factorization.

397005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233.

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 397005 is about 630.0833278226. The cubic root of 397005 is about 73.4962745115.

Adding to 397005 its reverse (500793), we get a palindrome (897798).

The spelling of 397005 in words is "three hundred ninety-seven thousand, five".