397393600 has 42 divisors (see below), whose sum is σ = 977840564. Its totient is φ = 158956800.

The previous prime is 397393567. The next prime is 397393651. The reversal of 397393600 is 6393793.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122586 + ... + 125785.

Almost surely, 2^397393600 is an apocalyptic number.

It is an amenable number.

397393600 is an abundant number, since it is smaller than the sum of its proper divisors (580446964).

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

397393600 is a wasteful number, since it uses less digits than its factorization.

397393600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248393 (or 248378 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 40.

The square root of 397393600 is about 19934.7335071227. The cubic root of 397393600 is about 735.2024678616.

The spelling of 397393600 in words is "three hundred ninety-seven million, three hundred ninety-three thousand, six hundred".