3868939888 has 40 divisors (see below), whose sum is σ = 8216366976. Its totient is φ = 1750257600.

The previous prime is 3868939873. The next prime is 3868939957. The reversal of 3868939888 is 8889398683.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14956 + ... + 89227.

Almost surely, 2^3868939888 is an apocalyptic number.

It is an amenable number.

3868939888 is an abundant number, since it is smaller than the sum of its proper divisors (4347427088).

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

3868939888 is a wasteful number, since it uses less digits than its factorization.

3868939888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104413 (or 104407 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 70.

The square root of 3868939888 is about 62200.8029530166. The cubic root of 3868939888 is about 1569.8710981841.

The spelling of 3868939888 in words is "three billion, eight hundred sixty-eight million, nine hundred thirty-nine thousand, eight hundred eighty-eight".