397112922 has 16 divisors (see below), whose sum is σ = 882473280. Its totient is φ = 132370956.

The previous prime is 397112887. The next prime is 397112929. The reversal of 397112922 is 229211793.

It is not an unprimeable number, because it can be changed into a prime (397112929) 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, 3676918 + ... + 3677025.

It is an arithmetic number, because the mean of its divisors is an integer number (55154580).

Almost surely, 2^397112922 is an apocalyptic number.

397112922 is an abundant number, since it is smaller than the sum of its proper divisors (485360358).

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

397112922 is a wasteful number, since it uses less digits than its factorization.

397112922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7353954 (or 7353948 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 397112922 is about 19927.6923400578. The cubic root of 397112922 is about 735.0293366050.

The spelling of 397112922 in words is "three hundred ninety-seven million, one hundred twelve thousand, nine hundred twenty-two".