3926986986 has 32 divisors (see below), whose sum is σ = 8464292928. Its totient is φ = 1207422720.

The previous prime is 3926986967. The next prime is 3926987027. The reversal of 3926986986 is 6896896293.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93666 + ... + 128946.

It is an arithmetic number, because the mean of its divisors is an integer number (264509154).

Almost surely, 2^3926986986 is an apocalyptic number.

3926986986 is an abundant number, since it is smaller than the sum of its proper divisors (4537305942).

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

3926986986 is a wasteful number, since it uses less digits than its factorization.

3926986986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36726.

The product of its digits is 60466176, while the sum is 66.

The square root of 3926986986 is about 62665.6762989118. The cubic root of 3926986986 is about 1577.6832716128.

The spelling of 3926986986 in words is "three billion, nine hundred twenty-six million, nine hundred eighty-six thousand, nine hundred eighty-six".