3989598856 has 16 divisors (see below), whose sum is σ = 7488982800. Its totient is φ = 1992536784.

The previous prime is 3989598839. The next prime is 3989598859. The reversal of 3989598856 is 6588959893.

3989598856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3989598859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275326 + ... + 289453.

It is an arithmetic number, because the mean of its divisors is an integer number (468061425).

Almost surely, 2^3989598856 is an apocalyptic number.

It is an amenable number.

3989598856 is a deficient number, since it is larger than the sum of its proper divisors (3499383944).

3989598856 is a wasteful number, since it uses less digits than its factorization.

3989598856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565668 (or 565664 counting only the distinct ones).

The product of its digits is 167961600, while the sum is 70.

The square root of 3989598856 is about 63163.2714162273. The cubic root of 3989598856 is about 1586.0239587549.

The spelling of 3989598856 in words is "three billion, nine hundred eighty-nine million, five hundred ninety-eight thousand, eight hundred fifty-six".