324428089 has 2 divisors, whose sum is σ = 324428090. Its totient is φ = 324428088.

The previous prime is 324428033. The next prime is 324428107. The reversal of 324428089 is 980824423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319229689 + 5198400 = 17867^2 + 2280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324428089 is a prime.

It is not a weakly prime, because it can be changed into another prime (324428029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162214044 + 162214045.

It is an arithmetic number, because the mean of its divisors is an integer number (162214045).

Almost surely, 2^324428089 is an apocalyptic number.

It is an amenable number.

324428089 is a deficient number, since it is larger than the sum of its proper divisors (1).

324428089 is an equidigital number, since it uses as much as digits as its factorization.

324428089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 324428089 is about 18011.8874358019. The cubic root of 324428089 is about 687.1309059703.

The spelling of 324428089 in words is "three hundred twenty-four million, four hundred twenty-eight thousand, eighty-nine".