3986641100 has 72 divisors (see below), whose sum is σ = 9864556128. Its totient is φ = 1385395200.

The previous prime is 3986641081. The next prime is 3986641187. The reversal of 3986641100 is 11466893.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68096 + ... + 112295.

It is an arithmetic number, because the mean of its divisors is an integer number (137007724).

Almost surely, 2^3986641100 is an apocalyptic number.

It is an amenable number.

3986641100 is an abundant number, since it is smaller than the sum of its proper divisors (5877915028).

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

3986641100 is a wasteful number, since it uses less digits than its factorization.

3986641100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180435 (or 180428 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 3986641100 is about 63139.8534999884. The cubic root of 3986641100 is about 1585.6319200400.

The spelling of 3986641100 in words is "three billion, nine hundred eighty-six million, six hundred forty-one thousand, one hundred".