397412368 has 20 divisors (see below), whose sum is σ = 770715180. Its totient is φ = 198518144.

The previous prime is 397412339. The next prime is 397412371. The reversal of 397412368 is 863214793.

It can be written as a sum of positive squares in 2 ways, for example, as 186814224 + 210598144 = 13668^2 + 14512^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6546 + ... + 28942.

It is an arithmetic number, because the mean of its divisors is an integer number (38535759).

Almost surely, 2^397412368 is an apocalyptic number.

It is an amenable number.

397412368 is a deficient number, since it is larger than the sum of its proper divisors (373302812).

397412368 is a wasteful number, since it uses less digits than its factorization.

397412368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23514 (or 23508 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 397412368 is about 19935.2042377298. The cubic root of 397412368 is about 735.2140416621.

The spelling of 397412368 in words is "three hundred ninety-seven million, four hundred twelve thousand, three hundred sixty-eight".