397285299 has 12 divisors (see below), whose sum is σ = 587202616. Its totient is φ = 258697152.

The previous prime is 397285283. The next prime is 397285333. The reversal of 397285299 is 992582793.

397285299 is a `hidden beast` number, since 3 + 97 + 28 + 529 + 9 = 666.

It is not a de Polignac number, because 397285299 - 2⁴ = 397285283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397285099) 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, 512902 + ... + 513675.

Almost surely, 2^397285299 is an apocalyptic number.

397285299 is a deficient number, since it is larger than the sum of its proper divisors (189917317).

397285299 is a wasteful number, since it uses less digits than its factorization.

397285299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026626 (or 1026623 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 397285299 is about 19932.0169325635. The cubic root of 397285299 is about 735.1356739686.

The spelling of 397285299 in words is "three hundred ninety-seven million, two hundred eighty-five thousand, two hundred ninety-nine".