324878369 has 2 divisors, whose sum is σ = 324878370. Its totient is φ = 324878368.

The previous prime is 324878341. The next prime is 324878371. The reversal of 324878369 is 963878423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321126400 + 3751969 = 17920^2 + 1937^2 .

It is a cyclic number.

It is not a de Polignac number, because 324878369 - 2¹² = 324874273 is a prime.

It is a super-2 number, since 2×324878369² = 211091909288200322, which contains 22 as substring.

Together with 324878371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (324878269) 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 as a sum of consecutive naturals, namely, 162439184 + 162439185.

It is an arithmetic number, because the mean of its divisors is an integer number (162439185).

Almost surely, 2^324878369 is an apocalyptic number.

It is an amenable number.

324878369 is a deficient number, since it is larger than the sum of its proper divisors (1).

324878369 is an equidigital number, since it uses as much as digits as its factorization.

324878369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 50.

The square root of 324878369 is about 18024.3826246560. The cubic root of 324878369 is about 687.4486530908.

The spelling of 324878369 in words is "three hundred twenty-four million, eight hundred seventy-eight thousand, three hundred sixty-nine".