397469499 has 16 divisors (see below), whose sum is σ = 607588608. Its totient is φ = 226405152.

The previous prime is 397469453. The next prime is 397469543. The reversal of 397469499 is 994964793.

It is not a de Polignac number, because 397469499 - 2⁸ = 397469243 is a prime.

It is a super-2 number, since 2×397469499² = 315964005270622002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (397469399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23197 + ... + 36510.

It is an arithmetic number, because the mean of its divisors is an integer number (37974288).

Almost surely, 2^397469499 is an apocalyptic number.

397469499 is a deficient number, since it is larger than the sum of its proper divisors (210119109).

397469499 is a wasteful number, since it uses less digits than its factorization.

397469499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60034.

The product of its digits is 13226976, while the sum is 60.

The square root of 397469499 is about 19936.6371035839. The cubic root of 397469499 is about 735.2492708129.

It can be divided in two parts, 3974694 and 99, that added together give a palindrome (3974793).

The spelling of 397469499 in words is "three hundred ninety-seven million, four hundred sixty-nine thousand, four hundred ninety-nine".