397845484 has 12 divisors (see below), whose sum is σ = 732873400. Its totient is φ = 188453088.

The previous prime is 397845457. The next prime is 397845491. The reversal of 397845484 is 484548793.

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, 2617329 + ... + 2617480.

Almost surely, 2^397845484 is an apocalyptic number.

It is an amenable number.

397845484 is a deficient number, since it is larger than the sum of its proper divisors (335027916).

397845484 is a wasteful number, since it uses less digits than its factorization.

397845484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5234832 (or 5234830 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 52.

The square root of 397845484 is about 19946.0643737054. The cubic root of 397845484 is about 735.4810333145.

The spelling of 397845484 in words is "three hundred ninety-seven million, eight hundred forty-five thousand, four hundred eighty-four".