3986717 has 16 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 3212160.

The previous prime is 3986711. The next prime is 3986729. The reversal of 3986717 is 7176893.

It is not a de Polignac number, because 3986717 - 2¹⁸ = 3724573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8084 + ... + 8562.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^3986717 is an apocalyptic number.

It is an amenable number.

3986717 is a deficient number, since it is larger than the sum of its proper divisors (851683).

3986717 is a wasteful number, since it uses less digits than its factorization.

3986717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556.

The product of its digits is 63504, while the sum is 41.

The square root of 3986717 is about 1996.6764885679. The cubic root of 3986717 is about 158.5641982705.

The spelling of 3986717 in words is "three million, nine hundred eighty-six thousand, seven hundred seventeen".