3986617143 has 16 divisors (see below), whose sum is σ = 5494874112. Its totient is φ = 2568300000.

The previous prime is 3986617111. The next prime is 3986617169. The reversal of 3986617143 is 3417166893.

It is a happy number.

It is not a de Polignac number, because 3986617143 - 2⁵ = 3986617111 is a prime.

It is a super-2 number, since 2×3986617143² = 31786232489722964898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3986617092 and 3986617101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986617343) 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, 34618 + ... + 95768.

It is an arithmetic number, because the mean of its divisors is an integer number (343429632).

Almost surely, 2^3986617143 is an apocalyptic number.

3986617143 is a deficient number, since it is larger than the sum of its proper divisors (1508256969).

3986617143 is a wasteful number, since it uses less digits than its factorization.

3986617143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61886.

The product of its digits is 653184, while the sum is 48.

The square root of 3986617143 is about 63139.6637859278. The cubic root of 3986617143 is about 1585.6287438440.

The spelling of 3986617143 in words is "three billion, nine hundred eighty-six million, six hundred seventeen thousand, one hundred forty-three".