324440645 has 16 divisors (see below), whose sum is σ = 408326400. Its totient is φ = 247002624.

The previous prime is 324440629. The next prime is 324440647. The reversal of 324440645 is 546044423.

It is a cyclic number.

It is not a de Polignac number, because 324440645 - 2⁴ = 324440629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324440647) 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 in 15 ways as a sum of consecutive naturals, for example, 15797 + ... + 29973.

It is an arithmetic number, because the mean of its divisors is an integer number (25520400).

Almost surely, 2^324440645 is an apocalyptic number.

It is an amenable number.

324440645 is a deficient number, since it is larger than the sum of its proper divisors (83885755).

324440645 is a wasteful number, since it uses less digits than its factorization.

324440645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14404.

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 324440645 is about 18012.2359800220. The cubic root of 324440645 is about 687.1397702915.

The spelling of 324440645 in words is "three hundred twenty-four million, four hundred forty thousand, six hundred forty-five".