324441321 has 16 divisors (see below), whose sum is σ = 465949440. Its totient is φ = 200143440.

The previous prime is 324441307. The next prime is 324441331. The reversal of 324441321 is 123144423.

It is not a de Polignac number, because 324441321 - 2¹³ = 324433129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 324441291 and 324441300.

It is not an unprimeable number, because it can be changed into a prime (324441331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63735 + ... + 68636.

It is an arithmetic number, because the mean of its divisors is an integer number (29121840).

Almost surely, 2^324441321 is an apocalyptic number.

It is an amenable number.

324441321 is a deficient number, since it is larger than the sum of its proper divisors (141508119).

324441321 is a wasteful number, since it uses less digits than its factorization.

324441321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132436.

The product of its digits is 2304, while the sum is 24.

The square root of 324441321 is about 18012.2547450340. The cubic root of 324441321 is about 687.1402475294.

Adding to 324441321 its reverse (123144423), we get a palindrome (447585744).

The spelling of 324441321 in words is "three hundred twenty-four million, four hundred forty-one thousand, three hundred twenty-one".