325128384 has 112 divisors (see below), whose sum is σ = 1092403200. Its totient is φ = 92890368.

The previous prime is 325128359. The next prime is 325128407. The reversal of 325128384 is 483821523.

325128384 is a `hidden beast` number, since 3 + 251 + 28 + 384 = 666.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1344 + ... + 25535.

It is an arithmetic number, because the mean of its divisors is an integer number (9753600).

Almost surely, 2^325128384 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 325128384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546201600).

325128384 is an abundant number, since it is smaller than the sum of its proper divisors (767274816).

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

325128384 is a wasteful number, since it uses less digits than its factorization.

325128384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26907 (or 26891 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 325128384 is about 18031.3167572421. The cubic root of 325128384 is about 687.6249533324.

The spelling of 325128384 in words is "three hundred twenty-five million, one hundred twenty-eight thousand, three hundred eighty-four".