3983439988 has 24 divisors (see below), whose sum is σ = 7733648160. Its totient is φ = 1779964320.

The previous prime is 3983439979. The next prime is 3983440031. The reversal of 3983439988 is 8899343893.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764631 + ... + 769822.

It is an arithmetic number, because the mean of its divisors is an integer number (322235340).

Almost surely, 2^3983439988 is an apocalyptic number.

It is an amenable number.

3983439988 is a deficient number, since it is larger than the sum of its proper divisors (3750208172).

3983439988 is a wasteful number, since it uses less digits than its factorization.

3983439988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534527 (or 1534525 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 64.

The square root of 3983439988 is about 63114.4990315221. The cubic root of 3983439988 is about 1585.2074069059.

The spelling of 3983439988 in words is "three billion, nine hundred eighty-three million, four hundred thirty-nine thousand, nine hundred eighty-eight".