397935 has 24 divisors (see below), whose sum is σ = 711360. Its totient is φ = 205632.

The previous prime is 397921. The next prime is 397939. The reversal of 397935 is 539793.

397935 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 397935 - 2⁷ = 397807 is a prime.

397935 is strictly pandigital in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 397935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1546 + ... + 1784.

It is an arithmetic number, because the mean of its divisors is an integer number (29640).

2³⁹⁷⁹³⁵ is an apocalyptic number.

397935 is a deficient number, since it is larger than the sum of its proper divisors (313425).

397935 is a wasteful number, since it uses less digits than its factorization.

397935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 284 counting only the distinct ones).

The product of its digits is 25515, while the sum is 36.

The square root of 397935 is about 630.8208937567. The cubic root of 397935 is about 73.5536190727.

The spelling of 397935 in words is "three hundred ninety-seven thousand, nine hundred thirty-five".