3989616676 has 24 divisors (see below), whose sum is σ = 7018011000. Its totient is φ = 1984498944.

The previous prime is 3989616629. The next prime is 3989616721. The reversal of 3989616676 is 6766169893.

3989616676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 616330276 + 3373286400 = 24826^2 + 58080^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633270 + ... + 639538.

It is an arithmetic number, because the mean of its divisors is an integer number (292417125).

Almost surely, 2^3989616676 is an apocalyptic number.

It is an amenable number.

3989616676 is a deficient number, since it is larger than the sum of its proper divisors (3028394324).

3989616676 is a wasteful number, since it uses less digits than its factorization.

3989616676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7071 (or 7069 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 61.

The square root of 3989616676 is about 63163.4124790610. The cubic root of 3989616676 is about 1586.0263201373.

The spelling of 3989616676 in words is "three billion, nine hundred eighty-nine million, six hundred sixteen thousand, six hundred seventy-six".