397089608 has 16 divisors (see below), whose sum is σ = 744762480. Its totient is φ = 198486288.

The previous prime is 397089599. The next prime is 397089631. The reversal of 397089608 is 806980793.

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, 38135 + ... + 47417.

It is an arithmetic number, because the mean of its divisors is an integer number (46547655).

Almost surely, 2^397089608 is an apocalyptic number.

It is an amenable number.

397089608 is a deficient number, since it is larger than the sum of its proper divisors (347672872).

397089608 is a wasteful number, since it uses less digits than its factorization.

397089608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14636 (or 14632 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 397089608 is about 19927.1073665999. The cubic root of 397089608 is about 735.0149521076.

The spelling of 397089608 in words is "three hundred ninety-seven million, eighty-nine thousand, six hundred eight".