397799120 has 40 divisors (see below), whose sum is σ = 927369216. Its totient is φ = 158691968.

The previous prime is 397799093. The next prime is 397799123. The reversal of 397799120 is 21997793.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397799123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24149 + ... + 37131.

Almost surely, 2^397799120 is an apocalyptic number.

It is an amenable number.

397799120 is an abundant number, since it is smaller than the sum of its proper divisors (529570096).

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

397799120 is a wasteful number, since it uses less digits than its factorization.

397799120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13379 (or 13373 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 47.

The square root of 397799120 is about 19944.9021055507. The cubic root of 397799120 is about 735.4524617805.

The spelling of 397799120 in words is "three hundred ninety-seven million, seven hundred ninety-nine thousand, one hundred twenty".