397835876 has 12 divisors (see below), whose sum is σ = 726483072. Its totient is φ = 190269288.

The previous prime is 397835873. The next prime is 397835881. The reversal of 397835876 is 678538793.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (397835873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162060 + ... + 2162243.

It is an arithmetic number, because the mean of its divisors is an integer number (60540256).

Almost surely, 2^397835876 is an apocalyptic number.

It is an amenable number.

397835876 is a deficient number, since it is larger than the sum of its proper divisors (328647196).

397835876 is a wasteful number, since it uses less digits than its factorization.

397835876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324330 (or 4324328 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 56.

The square root of 397835876 is about 19945.8235227328. The cubic root of 397835876 is about 735.4751126251.

The spelling of 397835876 in words is "three hundred ninety-seven million, eight hundred thirty-five thousand, eight hundred seventy-six".