3988486100 has 18 divisors (see below), whose sum is σ = 8655015054. Its totient is φ = 1595394400.

The previous prime is 3988486079. The next prime is 3988486111. The reversal of 3988486100 is 16848893.

It can be written as a sum of positive squares in 3 ways, for example, as 223681936 + 3764804164 = 14956^2 + 61358^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19942331 + ... + 19942530.

Almost surely, 2^3988486100 is an apocalyptic number.

It is an amenable number.

3988486100 is an abundant number, since it is smaller than the sum of its proper divisors (4666528954).

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

3988486100 is a wasteful number, since it uses less digits than its factorization.

3988486100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39884875 (or 39884868 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 3988486100 is about 63154.4622334796. The cubic root of 3988486100 is about 1585.8764901458.

The spelling of 3988486100 in words is "three billion, nine hundred eighty-eight million, four hundred eighty-six thousand, one hundred".