3901185871 has 16 divisors (see below), whose sum is σ = 4460002560. Its totient is φ = 3377725120.

The previous prime is 3901185863. The next prime is 3901185901. The reversal of 3901185871 is 1785811093.

It is not a de Polignac number, because 3901185871 - 2³ = 3901185863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3901185271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25860 + ... + 92038.

It is an arithmetic number, because the mean of its divisors is an integer number (278750160).

Almost surely, 2^3901185871 is an apocalyptic number.

3901185871 is a deficient number, since it is larger than the sum of its proper divisors (558816689).

3901185871 is a wasteful number, since it uses less digits than its factorization.

3901185871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66446.

The product of its (nonzero) digits is 60480, while the sum is 43.

The square root of 3901185871 is about 62459.4738290357. The cubic root of 3901185871 is about 1574.2204417622.

The spelling of 3901185871 in words is "three billion, nine hundred one million, one hundred eighty-five thousand, eight hundred seventy-one".