397738115 has 8 divisors (see below), whose sum is σ = 502406160. Its totient is φ = 301443552.

The previous prime is 397738109. The next prime is 397738127. The reversal of 397738115 is 511837793.

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

It is a cyclic number.

It is not a de Polignac number, because 397738115 - 2⁶ = 397738051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2093264 + ... + 2093453.

It is an arithmetic number, because the mean of its divisors is an integer number (62800770).

Almost surely, 2^397738115 is an apocalyptic number.

397738115 is a deficient number, since it is larger than the sum of its proper divisors (104668045).

397738115 is a wasteful number, since it uses less digits than its factorization.

397738115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186741.

The product of its digits is 158760, while the sum is 44.

The square root of 397738115 is about 19943.3727087471. The cubic root of 397738115 is about 735.4148644364.

The spelling of 397738115 in words is "three hundred ninety-seven million, seven hundred thirty-eight thousand, one hundred fifteen".