324431444 has 24 divisors (see below), whose sum is σ = 580704768. Its totient is φ = 158539680.

The previous prime is 324431411. The next prime is 324431507. The reversal of 324431444 is 444134423.

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 7 ways as a sum of consecutive naturals, for example, 54629 + ... + 60275.

It is an arithmetic number, because the mean of its divisors is an integer number (24196032).

Almost surely, 2^324431444 is an apocalyptic number.

It is an amenable number.

324431444 is a deficient number, since it is larger than the sum of its proper divisors (256273324).

324431444 is a wasteful number, since it uses less digits than its factorization.

324431444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5975 (or 5973 counting only the distinct ones).

The product of its digits is 18432, while the sum is 29.

The square root of 324431444 is about 18011.9805684994. The cubic root of 324431444 is about 687.1332745653.

Adding to 324431444 its reverse (444134423), we get a palindrome (768565867).

The spelling of 324431444 in words is "three hundred twenty-four million, four hundred thirty-one thousand, four hundred forty-four".