3986796042 has 24 divisors (see below), whose sum is σ = 8650100160. Its totient is φ = 1327079400.

The previous prime is 3986796019. The next prime is 3986796061. The reversal of 3986796042 is 2406976893.

It is a happy number.

3986796042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3986796042.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141084 + ... + 166967.

It is an arithmetic number, because the mean of its divisors is an integer number (360420840).

Almost surely, 2^3986796042 is an apocalyptic number.

3986796042 is an abundant number, since it is smaller than the sum of its proper divisors (4663304118).

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

3986796042 is a wasteful number, since it uses less digits than its factorization.

3986796042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308778 (or 308775 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 3986796042 is about 63141.0804627225. The cubic root of 3986796042 is about 1585.6524617936.

The spelling of 3986796042 in words is "three billion, nine hundred eighty-six million, seven hundred ninety-six thousand, forty-two".