397135 has 4 divisors (see below), whose sum is σ = 476568. Its totient is φ = 317704.

The previous prime is 397127. The next prime is 397151. The reversal of 397135 is 531793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 397135 - 2³ = 397127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 39709 + ... + 39718.

It is an arithmetic number, because the mean of its divisors is an integer number (119142).

2³⁹⁷¹³⁵ is an apocalyptic number.

397135 is a deficient number, since it is larger than the sum of its proper divisors (79433).

397135 is an equidigital number, since it uses as much as digits as its factorization.

397135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79432.

The product of its digits is 2835, while the sum is 28.

The square root of 397135 is about 630.1864803374. The cubic root of 397135 is about 73.5042957984.

The spelling of 397135 in words is "three hundred ninety-seven thousand, one hundred thirty-five".