397513118 has 8 divisors (see below), whose sum is σ = 596606160. Its totient is φ = 198644400.

The previous prime is 397513111. The next prime is 397513133. The reversal of 397513118 is 811315793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397513111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51578 + ... + 58781.

It is an arithmetic number, because the mean of its divisors is an integer number (74575770).

Almost surely, 2^397513118 is an apocalyptic number.

397513118 is a deficient number, since it is larger than the sum of its proper divisors (199093042).

397513118 is a wasteful number, since it uses less digits than its factorization.

397513118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112162.

The product of its digits is 22680, while the sum is 38.

The square root of 397513118 is about 19937.7310143356. The cubic root of 397513118 is about 735.2761656774.

It can be divided in two parts, 39 and 7513118, that added together give a palindrome (7513157).

The spelling of 397513118 in words is "three hundred ninety-seven million, five hundred thirteen thousand, one hundred eighteen".