397385235 has 96 divisors (see below), whose sum is σ = 770515200. Its totient is φ = 188227584.

The previous prime is 397385189. The next prime is 397385273. The reversal of 397385235 is 532583793.

397385235 is a `hidden beast` number, since 3 + 97 + 38 + 523 + 5 = 666.

It is not a de Polignac number, because 397385235 - 2⁹ = 397384723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2666941 + ... + 2667089.

It is an arithmetic number, because the mean of its divisors is an integer number (8026200).

Almost surely, 2^397385235 is an apocalyptic number.

397385235 is a deficient number, since it is larger than the sum of its proper divisors (373129965).

397385235 is a wasteful number, since it uses less digits than its factorization.

397385235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 314 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 397385235 is about 19934.5236963415. The cubic root of 397385235 is about 735.1973092382.

The spelling of 397385235 in words is "three hundred ninety-seven million, three hundred eighty-five thousand, two hundred thirty-five".