3239987568 has 160 divisors (see below), whose sum is σ = 9199411200. Its totient is φ = 978186240.

The previous prime is 3239987563. The next prime is 3239987581. The reversal of 3239987568 is 8657899323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3239987563) 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 31 ways as a sum of consecutive naturals, for example, 8828121 + ... + 8828487.

It is an arithmetic number, because the mean of its divisors is an integer number (57496320).

Almost surely, 2^3239987568 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 3239987568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4599705600).

3239987568 is an abundant number, since it is smaller than the sum of its proper divisors (5959423632).

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

3239987568 is a wasteful number, since it uses less digits than its factorization.

3239987568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 769 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The square root of 3239987568 is about 56920.8886789375. Note that the first 3 decimals coincide. The cubic root of 3239987568 is about 1479.7253520064.

The spelling of 3239987568 in words is "three billion, two hundred thirty-nine million, nine hundred eighty-seven thousand, five hundred sixty-eight".