397754322 has 32 divisors (see below), whose sum is σ = 957004800. Its totient is φ = 107662608.

The previous prime is 397754299. The next prime is 397754323. The reversal of 397754322 is 223457793.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (397754323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248422 + ... + 250017.

It is an arithmetic number, because the mean of its divisors is an integer number (29906400).

Almost surely, 2^397754322 is an apocalyptic number.

397754322 is an abundant number, since it is smaller than the sum of its proper divisors (559250478).

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

397754322 is a wasteful number, since it uses less digits than its factorization.

397754322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498470.

The product of its digits is 317520, while the sum is 42.

The square root of 397754322 is about 19943.7790300635. The cubic root of 397754322 is about 735.4248531756.

The spelling of 397754322 in words is "three hundred ninety-seven million, seven hundred fifty-four thousand, three hundred twenty-two".