325616988 has 48 divisors (see below), whose sum is σ = 799344000. Its totient is φ = 103013568.

The previous prime is 325616969. The next prime is 325616989. The reversal of 325616988 is 889616523.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325616989) 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 15 ways as a sum of consecutive naturals, for example, 12603 + ... + 28461.

It is an arithmetic number, because the mean of its divisors is an integer number (16653000).

Almost surely, 2^325616988 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 325616988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399672000).

325616988 is an abundant number, since it is smaller than the sum of its proper divisors (473727012).

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

325616988 is a wasteful number, since it uses less digits than its factorization.

325616988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15954 (or 15952 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 325616988 is about 18044.8604317130. The cubic root of 325616988 is about 687.9692359374.

The spelling of 325616988 in words is "three hundred twenty-five million, six hundred sixteen thousand, nine hundred eighty-eight".