397290484 has 12 divisors (see below), whose sum is σ = 695520000. Its totient is φ = 198570488.

The previous prime is 397290479. The next prime is 397290529. The reversal of 397290484 is 484092793.

It is a happy number.

It is a congruent number.

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, 5734 + ... + 28765.

It is an arithmetic number, because the mean of its divisors is an integer number (57960000).

Almost surely, 2^397290484 is an apocalyptic number.

It is an amenable number.

397290484 is a deficient number, since it is larger than the sum of its proper divisors (298229516).

397290484 is a wasteful number, since it uses less digits than its factorization.

397290484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37382 (or 37380 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 397290484 is about 19932.1469992573. The cubic root of 397290484 is about 735.1388720582.

The spelling of 397290484 in words is "three hundred ninety-seven million, two hundred ninety thousand, four hundred eighty-four".