3986671 has 8 divisors (see below), whose sum is σ = 4309200. Its totient is φ = 3666432.

The previous prime is 3986669. The next prime is 3986677. The reversal of 3986671 is 1766893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3986671 - 2¹ = 3986669 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 (3986677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5496 + ... + 6178.

It is an arithmetic number, because the mean of its divisors is an integer number (538650).

Almost surely, 2^3986671 is an apocalyptic number.

3986671 is a deficient number, since it is larger than the sum of its proper divisors (322529).

3986671 is a wasteful number, since it uses less digits than its factorization.

3986671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145.

The product of its digits is 54432, while the sum is 40.

The square root of 3986671 is about 1996.6649693927. The cubic root of 3986671 is about 158.5635884135.

The spelling of 3986671 in words is "three million, nine hundred eighty-six thousand, six hundred seventy-one".