324320643 has 12 divisors (see below), whose sum is σ = 468630240. Its totient is φ = 216136656.

The previous prime is 324320641. The next prime is 324320693. The reversal of 324320643 is 346023423.

It is a happy number.

It is not a de Polignac number, because 324320643 - 2¹ = 324320641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (324320641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32838 + ... + 41556.

It is an arithmetic number, because the mean of its divisors is an integer number (39052520).

Almost surely, 2^324320643 is an apocalyptic number.

324320643 is a deficient number, since it is larger than the sum of its proper divisors (144309597).

324320643 is a wasteful number, since it uses less digits than its factorization.

324320643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12858 (or 12855 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 324320643 is about 18008.9045474732. The cubic root of 324320643 is about 687.0550415782.

The spelling of 324320643 in words is "three hundred twenty-four million, three hundred twenty thousand, six hundred forty-three".