397958572 has 24 divisors (see below), whose sum is σ = 799727040. Its totient is φ = 171369360.

The previous prime is 397958567. The next prime is 397958579. The reversal of 397958572 is 275859793.

It is not an unprimeable number, because it can be changed into a prime (397958579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237178 + ... + 238849.

It is an arithmetic number, because the mean of its divisors is an integer number (33321960).

Almost surely, 2^397958572 is an apocalyptic number.

It is an amenable number.

397958572 is an abundant number, since it is smaller than the sum of its proper divisors (401768468).

397958572 is a wasteful number, since it uses less digits than its factorization.

397958572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476061 (or 476059 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 55.

The square root of 397958572 is about 19948.8990172390. The cubic root of 397958572 is about 735.5507138001.

The spelling of 397958572 in words is "three hundred ninety-seven million, nine hundred fifty-eight thousand, five hundred seventy-two".