397115 has 4 divisors (see below), whose sum is σ = 476544. Its totient is φ = 317688.

The previous prime is 397099. The next prime is 397127. The reversal of 397115 is 511793.

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 397115 - 2⁴ = 397099 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 397115.

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, 39707 + ... + 39716.

It is an arithmetic number, because the mean of its divisors is an integer number (119136).

2³⁹⁷¹¹⁵ is an apocalyptic number.

397115 is a deficient number, since it is larger than the sum of its proper divisors (79429).

397115 is an equidigital number, since it uses as much as digits as its factorization.

397115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79428.

The product of its digits is 945, while the sum is 26.

The square root of 397115 is about 630.1706118187. The cubic root of 397115 is about 73.5030618682.

It can be divided in two parts, 397 and 115, that added together give a 9-th power (512 = 2⁹).

The spelling of 397115 in words is "three hundred ninety-seven thousand, one hundred fifteen".