324128388 has 24 divisors (see below), whose sum is σ = 764799840. Its totient is φ = 106828480.

The previous prime is 324128383. The next prime is 324128393. The reversal of 324128388 is 883821423.

324128388 is digitally balanced in base 3 and base 9, because in such bases 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 (324128383) and next prime (324128393).

324128388 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (324128381) 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 7 ways as a sum of consecutive naturals, for example, 150678 + ... + 152813.

It is an arithmetic number, because the mean of its divisors is an integer number (31866660).

Almost surely, 2^324128388 is an apocalyptic number.

It is an amenable number.

324128388 is an abundant number, since it is smaller than the sum of its proper divisors (440671452).

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

324128388 is a wasteful number, since it uses less digits than its factorization.

324128388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303587 (or 303585 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 324128388 is about 18003.5659801052. The cubic root of 324128388 is about 686.9192542752.

The spelling of 324128388 in words is "three hundred twenty-four million, one hundred twenty-eight thousand, three hundred eighty-eight".