325689984 has 192 divisors, whose sum is σ = 1001713440. Its totient is φ = 105255936.

The previous prime is 325689899. The next prime is 325690007. The reversal of 325689984 is 489986523.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 325689984.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1150707 + ... + 1150989.

Almost surely, 2^325689984 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 325689984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500856720).

325689984 is an abundant number, since it is smaller than the sum of its proper divisors (676023456).

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

325689984 is an equidigital number, since it uses as much as digits as its factorization.

325689984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 325 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 325689984 is about 18046.8829441541. The cubic root of 325689984 is about 688.0206411691.

The spelling of 325689984 in words is "three hundred twenty-five million, six hundred eighty-nine thousand, nine hundred eighty-four".