324126989 has 2 divisors, whose sum is σ = 324126990. Its totient is φ = 324126988.

The previous prime is 324126983. The next prime is 324127031. The reversal of 324126989 is 989621423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216590089 + 107536900 = 14717^2 + 10370^2 .

It is a cyclic number.

It is not a de Polignac number, because 324126989 - 2⁴ = 324126973 is a prime.

It is a super-2 number, since 2×324126989² = 210116609996412242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324126983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162063494 + 162063495.

It is an arithmetic number, because the mean of its divisors is an integer number (162063495).

Almost surely, 2^324126989 is an apocalyptic number.

It is an amenable number.

324126989 is a deficient number, since it is larger than the sum of its proper divisors (1).

324126989 is an equidigital number, since it uses as much as digits as its factorization.

324126989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 44.

The square root of 324126989 is about 18003.5271266494. The cubic root of 324126989 is about 686.9182659823.

The spelling of 324126989 in words is "three hundred twenty-four million, one hundred twenty-six thousand, nine hundred eighty-nine".