397450460 has 48 divisors (see below), whose sum is σ = 911941632. Its totient is φ = 144302400.

The previous prime is 397450393. The next prime is 397450477. The reversal of 397450460 is 64054793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217109 + ... + 218931.

It is an arithmetic number, because the mean of its divisors is an integer number (18998784).

Almost surely, 2^397450460 is an apocalyptic number.

It is an amenable number.

397450460 is an abundant number, since it is smaller than the sum of its proper divisors (514491172).

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

397450460 is a wasteful number, since it uses less digits than its factorization.

397450460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834 (or 2832 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 397450460 is about 19936.1596101155. The cubic root of 397450460 is about 735.2375310154.

The spelling of 397450460 in words is "three hundred ninety-seven million, four hundred fifty thousand, four hundred sixty".