3281522328 has 256 divisors, whose sum is σ = 10827878400. Its totient is φ = 901393920.

The previous prime is 3281522317. The next prime is 3281522351. The reversal of 3281522328 is 8232251823.

It is a happy number.

3281522328 is a `hidden beast` number, since 3 + 281 + 52 + 2 + 328 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 3281522292 and 3281522301.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 4334526 + ... + 4335282.

It is an arithmetic number, because the mean of its divisors is an integer number (42296400).

Almost surely, 2^3281522328 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 3281522328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5413939200).

3281522328 is an abundant number, since it is smaller than the sum of its proper divisors (7546356072).

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

3281522328 is a wasteful number, since it uses less digits than its factorization.

3281522328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 877 counting only the distinct ones).

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

The square root of 3281522328 is about 57284.5732112931. The cubic root of 3281522328 is about 1486.0215968028.

The spelling of 3281522328 in words is "three billion, two hundred eighty-one million, five hundred twenty-two thousand, three hundred twenty-eight".