397695 has 8 divisors (see below), whose sum is σ = 636336. Its totient is φ = 212096.

The previous prime is 397687. The next prime is 397697. The reversal of 397695 is 596793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 397695 - 2³ = 397687 is a prime.

It is a super-2 number, since 2×397695² = 316322626050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13242 + ... + 13271.

It is an arithmetic number, because the mean of its divisors is an integer number (79542).

2³⁹⁷⁶⁹⁵ is an apocalyptic number.

397695 is a deficient number, since it is larger than the sum of its proper divisors (238641).

397695 is a wasteful number, since it uses less digits than its factorization.

397695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26521.

The product of its digits is 51030, while the sum is 39.

The square root of 397695 is about 630.6306367439. The cubic root of 397695 is about 73.5388290370.

The spelling of 397695 in words is "three hundred ninety-seven thousand, six hundred ninety-five".