324238643 has 2 divisors, whose sum is σ = 324238644. Its totient is φ = 324238642.

The previous prime is 324238609. The next prime is 324238657. The reversal of 324238643 is 346832423.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324238643 is a prime.

It is a super-2 number, since 2×324238643² = 210261395228962898, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (324234643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162119321 + 162119322.

It is an arithmetic number, because the mean of its divisors is an integer number (162119322).

Almost surely, 2^324238643 is an apocalyptic number.

324238643 is a deficient number, since it is larger than the sum of its proper divisors (1).

324238643 is an equidigital number, since it uses as much as digits as its factorization.

324238643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 35.

The square root of 324238643 is about 18006.6277520251. The cubic root of 324238643 is about 686.9971325681.

The spelling of 324238643 in words is "three hundred twenty-four million, two hundred thirty-eight thousand, six hundred forty-three".