3986846231 has 2 divisors, whose sum is σ = 3986846232. Its totient is φ = 3986846230.

The previous prime is 3986846207. The next prime is 3986846249. The reversal of 3986846231 is 1326486893.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1326486893) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3986846231 - 2⁶ = 3986846167 is a prime.

It is a super-2 number, since 2×3986846231² = 31789885739277810722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3986846231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3986846251) by changing a digit.

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 as a sum of consecutive naturals, namely, 1993423115 + 1993423116.

It is an arithmetic number, because the mean of its divisors is an integer number (1993423116).

Almost surely, 2^3986846231 is an apocalyptic number.

3986846231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3986846231 is an equidigital number, since it uses as much as digits as its factorization.

3986846231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 50.

The square root of 3986846231 is about 63141.4778968627. The cubic root of 3986846231 is about 1585.6591155892.

The spelling of 3986846231 in words is "three billion, nine hundred eighty-six million, eight hundred forty-six thousand, two hundred thirty-one".