324421144 has 16 divisors (see below), whose sum is σ = 629265600. Its totient is φ = 156616992.

The previous prime is 324421129. The next prime is 324421147. The reversal of 324421144 is 441124423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324421147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698952 + ... + 699415.

It is an arithmetic number, because the mean of its divisors is an integer number (39329100).

Almost surely, 2^324421144 is an apocalyptic number.

It is an amenable number.

324421144 is a deficient number, since it is larger than the sum of its proper divisors (304844456).

324421144 is a wasteful number, since it uses less digits than its factorization.

324421144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398402 (or 1398398 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 324421144 is about 18011.6946454241. The cubic root of 324421144 is about 687.1260028209.

Adding to 324421144 its reverse (441124423), we get a palindrome (765545567).

The spelling of 324421144 in words is "three hundred twenty-four million, four hundred twenty-one thousand, one hundred forty-four".