3986674831 has 2 divisors, whose sum is σ = 3986674832. Its totient is φ = 3986674830.

The previous prime is 3986674789. The next prime is 3986674837. The reversal of 3986674831 is 1384766893.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3986674831 - 2²¹ = 3984577679 is a prime.

It is a super-2 number, since 2×3986674831² = 31787152416257757122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3986674837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1993337415 + 1993337416.

It is an arithmetic number, because the mean of its divisors is an integer number (1993337416).

Almost surely, 2^3986674831 is an apocalyptic number.

3986674831 is a deficient number, since it is larger than the sum of its proper divisors (1).

3986674831 is an equidigital number, since it uses as much as digits as its factorization.

3986674831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 55.

The square root of 3986674831 is about 63140.1206128085. The cubic root of 3986674831 is about 1585.6363920418.

The spelling of 3986674831 in words is "three billion, nine hundred eighty-six million, six hundred seventy-four thousand, eight hundred thirty-one".