325889216 has 56 divisors (see below), whose sum is σ = 683849280. Its totient is φ = 153660672.

The previous prime is 325889189. The next prime is 325889227. The reversal of 325889216 is 612988523.

It is a super-2 number, since 2×325889216² = 212407562210189312, which contains 22 as substring.

It is an unprimeable number.

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, 343655 + ... + 344601.

Almost surely, 2^325889216 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 325889216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341924640).

325889216 is an abundant number, since it is smaller than the sum of its proper divisors (357960064).

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

325889216 is a wasteful number, since it uses less digits than its factorization.

325889216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261 (or 1251 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 325889216 is about 18052.4019454476. The cubic root of 325889216 is about 688.1609052175.

The spelling of 325889216 in words is "three hundred twenty-five million, eight hundred eighty-nine thousand, two hundred sixteen".