3986019071 has 16 divisors (see below), whose sum is σ = 4245571584. Its totient is φ = 3733919904.

The previous prime is 3986019067. The next prime is 3986019109. The reversal of 3986019071 is 1709106893.

It is a cyclic number.

It is not a de Polignac number, because 3986019071 - 2² = 3986019067 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 (3986019041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737240 + ... + 742626.

It is an arithmetic number, because the mean of its divisors is an integer number (265348224).

Almost surely, 2^3986019071 is an apocalyptic number.

3986019071 is a deficient number, since it is larger than the sum of its proper divisors (259552513).

3986019071 is a wasteful number, since it uses less digits than its factorization.

3986019071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 3986019071 is about 63134.9275045121. The cubic root of 3986019071 is about 1585.5494479108.

The spelling of 3986019071 in words is "three billion, nine hundred eighty-six million, nineteen thousand, seventy-one".