397118 has 16 divisors (see below), whose sum is σ = 635040. Its totient is φ = 185856.

The previous prime is 397099. The next prime is 397127. The reversal of 397118 is 811793.

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 7 ways as a sum of consecutive naturals, for example, 4046 + ... + 4142.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2³⁹⁷¹¹⁸ is an apocalyptic number.

397118 is a deficient number, since it is larger than the sum of its proper divisors (237922).

397118 is a wasteful number, since it uses less digits than its factorization.

397118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211.

The product of its digits is 1512, while the sum is 29.

The square root of 397118 is about 630.1729921220. The cubic root of 397118 is about 73.5032469604.

It can be divided in two parts, 397 and 118, that added together give a palindrome (515).

The spelling of 397118 in words is "three hundred ninety-seven thousand, one hundred eighteen".