397159704 has 24 divisors (see below), whose sum is σ = 1075641060. Its totient is φ = 132386544.

The previous prime is 397159681. The next prime is 397159709. The reversal of 397159704 is 407951793.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 397159704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397159709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2757982 + ... + 2758125.

Almost surely, 2^397159704 is an apocalyptic number.

It is an amenable number.

397159704 is an abundant number, since it is smaller than the sum of its proper divisors (678481356).

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

397159704 is a wasteful number, since it uses less digits than its factorization.

397159704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516119 (or 5516112 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 397159704 is about 19928.8660992039. The cubic root of 397159704 is about 735.0581989179.

The spelling of 397159704 in words is "three hundred ninety-seven million, one hundred fifty-nine thousand, seven hundred four".