3986271211 has 4 divisors (see below), whose sum is σ = 4292907472. Its totient is φ = 3679634952.

The previous prime is 3986271199. The next prime is 3986271217. The reversal of 3986271211 is 1121726893.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3986271211 - 2¹¹ = 3986269163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3986271217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153318111 + ... + 153318136.

It is an arithmetic number, because the mean of its divisors is an integer number (1073226868).

Almost surely, 2^3986271211 is an apocalyptic number.

3986271211 is a deficient number, since it is larger than the sum of its proper divisors (306636261).

3986271211 is a wasteful number, since it uses less digits than its factorization.

3986271211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306636260.

The product of its digits is 36288, while the sum is 40.

The square root of 3986271211 is about 63136.9243074130. The cubic root of 3986271211 is about 1585.5828790946.

The spelling of 3986271211 in words is "three billion, nine hundred eighty-six million, two hundred seventy-one thousand, two hundred eleven".