397612402 has 8 divisors (see below), whose sum is σ = 650638512. Its totient is φ = 180732900.

The previous prime is 397612381. The next prime is 397612421. The reversal of 397612402 is 204216793.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 9036624 + ... + 9036667.

It is an arithmetic number, because the mean of its divisors is an integer number (81329814).

Almost surely, 2^397612402 is an apocalyptic number.

397612402 is a deficient number, since it is larger than the sum of its proper divisors (253026110).

397612402 is a wasteful number, since it uses less digits than its factorization.

397612402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18073304.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 397612402 is about 19940.2207109149. The cubic root of 397612402 is about 735.3373754662.

The spelling of 397612402 in words is "three hundred ninety-seven million, six hundred twelve thousand, four hundred two".