3686863 has 8 divisors (see below), whose sum is σ = 3801600. Its totient is φ = 3573528.

The previous prime is 3686849. The next prime is 3686867.

3686863 is nontrivially palindromic in base 10.

3686863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3686863 - 2¹³ = 3678671 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 (3686867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7458 + ... + 7936.

It is an arithmetic number, because the mean of its divisors is an integer number (475200).

Almost surely, 2^3686863 is an apocalyptic number.

3686863 is a deficient number, since it is larger than the sum of its proper divisors (114737).

3686863 is a wasteful number, since it uses less digits than its factorization.

3686863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701.

The product of its digits is 124416, while the sum is 40.

The square root of 3686863 is about 1920.1205691310. The cubic root of 3686863 is about 154.4847685923.

The spelling of 3686863 in words is "three million, six hundred eighty-six thousand, eight hundred sixty-three".