324644965 has 4 divisors (see below), whose sum is σ = 389573964. Its totient is φ = 259715968.

The previous prime is 324644941. The next prime is 324645029. The reversal of 324644965 is 569446423.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79816356 + 244828609 = 8934^2 + 15647^2 .

It is a cyclic number.

It is not a de Polignac number, because 324644965 - 2¹¹ = 324642917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32464492 + ... + 32464501.

It is an arithmetic number, because the mean of its divisors is an integer number (97393491).

Almost surely, 2^324644965 is an apocalyptic number.

It is an amenable number.

324644965 is a deficient number, since it is larger than the sum of its proper divisors (64928999).

324644965 is an equidigital number, since it uses as much as digits as its factorization.

324644965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64928998.

The product of its digits is 622080, while the sum is 43.

The square root of 324644965 is about 18017.9067874157. The cubic root of 324644965 is about 687.2839845859.

The spelling of 324644965 in words is "three hundred twenty-four million, six hundred forty-four thousand, nine hundred sixty-five".