324412421 has 4 divisors (see below), whose sum is σ = 324719244. Its totient is φ = 324105600.

The previous prime is 324412409. The next prime is 324412453. The reversal of 324412421 is 124214423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 241802500 + 82609921 = 15550^2 + 9089^2 .

It is a cyclic number.

It is not a de Polignac number, because 324412421 - 2²² = 320218117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324412481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151820 + ... + 153941.

It is an arithmetic number, because the mean of its divisors is an integer number (81179811).

Almost surely, 2^324412421 is an apocalyptic number.

It is an amenable number.

324412421 is a deficient number, since it is larger than the sum of its proper divisors (306823).

324412421 is a wasteful number, since it uses less digits than its factorization.

324412421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306822.

The product of its digits is 1536, while the sum is 23.

The square root of 324412421 is about 18011.4524955651. The cubic root of 324412421 is about 687.1198443096.

Adding to 324412421 its reverse (124214423), we get a palindrome (448626844).

The spelling of 324412421 in words is "three hundred twenty-four million, four hundred twelve thousand, four hundred twenty-one".