3988929788 has 12 divisors (see below), whose sum is σ = 6983532192. Its totient is φ = 1993634880.

The previous prime is 3988929779. The next prime is 3988929821. The reversal of 3988929788 is 8879298893.

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 3 ways as a sum of consecutive naturals, for example, 196628 + ... + 215963.

It is an arithmetic number, because the mean of its divisors is an integer number (581961016).

Almost surely, 2^3988929788 is an apocalyptic number.

It is an amenable number.

3988929788 is a deficient number, since it is larger than the sum of its proper divisors (2994602404).

3988929788 is a wasteful number, since it uses less digits than its factorization.

3988929788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415012 (or 415010 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 71.

The square root of 3988929788 is about 63157.9748567036. The cubic root of 3988929788 is about 1585.9352934328.

The spelling of 3988929788 in words is "three billion, nine hundred eighty-eight million, nine hundred twenty-nine thousand, seven hundred eighty-eight".