324402009 has 8 divisors (see below), whose sum is σ = 435126720. Its totient is φ = 214972656.

The previous prime is 324401989. The next prime is 324402049. The reversal of 324402009 is 900204423.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 324402009 - 2¹¹ = 324399961 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 324402009.

It is not an unprimeable number, because it can be changed into a prime (324402049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323254 + ... + 324255.

It is an arithmetic number, because the mean of its divisors is an integer number (54390840).

Almost surely, 2^324402009 is an apocalyptic number.

It is an amenable number.

324402009 is a deficient number, since it is larger than the sum of its proper divisors (110724711).

324402009 is a wasteful number, since it uses less digits than its factorization.

324402009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647679.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 324402009 is about 18011.1634549243. The cubic root of 324402009 is about 687.1124932056.

The spelling of 324402009 in words is "three hundred twenty-four million, four hundred two thousand, nine".