3986632717 has 4 divisors (see below), whose sum is σ = 3987128320. Its totient is φ = 3986137116.

The previous prime is 3986632669. The next prime is 3986632721. The reversal of 3986632717 is 7172366893.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3986632717 - 2¹⁵ = 3986599949 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 (3986632777) 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 in 3 ways as a sum of consecutive naturals, for example, 235533 + ... + 251890.

It is an arithmetic number, because the mean of its divisors is an integer number (996782080).

Almost surely, 2^3986632717 is an apocalyptic number.

It is an amenable number.

3986632717 is a deficient number, since it is larger than the sum of its proper divisors (495603).

3986632717 is an equidigital number, since it uses as much as digits as its factorization.

3986632717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495602.

The product of its digits is 2286144, while the sum is 52.

The square root of 3986632717 is about 63139.7871155740. The cubic root of 3986632717 is about 1585.6308086313.

The spelling of 3986632717 in words is "three billion, nine hundred eighty-six million, six hundred thirty-two thousand, seven hundred seventeen".