324424391 has 2 divisors, whose sum is σ = 324424392. Its totient is φ = 324424390.

The previous prime is 324424369. The next prime is 324424417. The reversal of 324424391 is 193424423.

It is a weak prime.

It is an emirp because it is prime and its reverse (193424423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 324424391 - 2¹⁰ = 324423367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324424301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162212195 + 162212196.

It is an arithmetic number, because the mean of its divisors is an integer number (162212196).

Almost surely, 2^324424391 is an apocalyptic number.

324424391 is a deficient number, since it is larger than the sum of its proper divisors (1).

324424391 is an equidigital number, since it uses as much as digits as its factorization.

324424391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 32.

The square root of 324424391 is about 18011.7847810815. The cubic root of 324424391 is about 687.1282952020.

Adding to 324424391 its sum of digits (32), we get a palindrome (324424423).

The spelling of 324424391 in words is "three hundred twenty-four million, four hundred twenty-four thousand, three hundred ninety-one".