397098513 has 12 divisors (see below), whose sum is σ = 655527808. Its totient is φ = 226913400.

The previous prime is 397098511. The next prime is 397098539. The reversal of 397098513 is 315890793.

It is a happy number.

It is not a de Polignac number, because 397098513 - 2¹ = 397098511 is a prime.

It is a super-2 number, since 2×397098513² = 315374458053622338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397098511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3151513 + ... + 3151638.

Almost surely, 2^397098513 is an apocalyptic number.

It is an amenable number.

397098513 is a deficient number, since it is larger than the sum of its proper divisors (258429295).

397098513 is a wasteful number, since it uses less digits than its factorization.

397098513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303164 (or 6303161 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 397098513 is about 19927.3308047014. The cubic root of 397098513 is about 735.0204464672.

The spelling of 397098513 in words is "three hundred ninety-seven million, ninety-eight thousand, five hundred thirteen".