397299604 has 12 divisors (see below), whose sum is σ = 748757044. Its totient is φ = 183369024.

The previous prime is 397299593. The next prime is 397299619. The reversal of 397299604 is 406992793.

It can be written as a sum of positive squares in 2 ways, for example, as 75168900 + 322130704 = 8670^2 + 17948^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3820137 + ... + 3820240.

Almost surely, 2^397299604 is an apocalyptic number.

It is an amenable number.

397299604 is a deficient number, since it is larger than the sum of its proper divisors (351457440).

397299604 is a wasteful number, since it uses less digits than its factorization.

397299604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640394 (or 7640392 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 397299604 is about 19932.3757741018. The cubic root of 397299604 is about 735.1444971742.

The spelling of 397299604 in words is "three hundred ninety-seven million, two hundred ninety-nine thousand, six hundred four".