324783920 has 80 divisors (see below), whose sum is σ = 792806400. Its totient is φ = 123501312.

The previous prime is 324783917. The next prime is 324783923. The reversal of 324783920 is 29387423.

It is a happy number.

324783920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (324783917) and next prime (324783923).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (324783923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365717 + ... + 366603.

It is an arithmetic number, because the mean of its divisors is an integer number (9910080).

Almost surely, 2^324783920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 324783920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396403200).

324783920 is an abundant number, since it is smaller than the sum of its proper divisors (468022480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

324783920 is a wasteful number, since it uses less digits than its factorization.

324783920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 324783920 is about 18021.7623999430. The cubic root of 324783920 is about 687.3820280221.

The spelling of 324783920 in words is "three hundred twenty-four million, seven hundred eighty-three thousand, nine hundred twenty".