3986741868 has 48 divisors (see below), whose sum is σ = 9352543200. Its totient is φ = 1321772544.

The previous prime is 3986741851. The next prime is 3986741881. The reversal of 3986741868 is 8681476893.

It is a super-2 number, since 2×3986741868² = 31788221444128258848, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 2044558 + ... + 2046506.

It is an arithmetic number, because the mean of its divisors is an integer number (194844650).

Almost surely, 2^3986741868 is an apocalyptic number.

It is an amenable number.

3986741868 is an abundant number, since it is smaller than the sum of its proper divisors (5365801332).

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

3986741868 is a wasteful number, since it uses less digits than its factorization.

3986741868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786 (or 2784 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The square root of 3986741868 is about 63140.6514695564. The cubic root of 3986741868 is about 1585.6452796249.

The spelling of 3986741868 in words is "three billion, nine hundred eighty-six million, seven hundred forty-one thousand, eight hundred sixty-eight".