397604168 has 16 divisors (see below), whose sum is σ = 802854780. Its totient is φ = 183509568.

The previous prime is 397604159. The next prime is 397604191. The reversal of 397604168 is 861406793.

It can be written as a sum of positive squares in 2 ways, for example, as 392119204 + 5484964 = 19802^2 + 2342^2 .

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, 1911455 + ... + 1911662.

Almost surely, 2^397604168 is an apocalyptic number.

It is an amenable number.

397604168 is an abundant number, since it is smaller than the sum of its proper divisors (405250612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397604168 is a wasteful number, since it uses less digits than its factorization.

397604168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823136 (or 3823132 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 397604168 is about 19940.0142427231. The cubic root of 397604168 is about 735.3322994929.

The spelling of 397604168 in words is "three hundred ninety-seven million, six hundred four thousand, one hundred sixty-eight".