3686493 has 8 divisors (see below), whose sum is σ = 4941568. Its totient is φ = 2444544.

The previous prime is 3686483. The next prime is 3686503. The reversal of 3686493 is 3946863.

It is an interprime number because it is at equal distance from previous prime (3686483) and next prime (3686503).

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

It is not a de Polignac number, because 3686493 - 2⁴ = 3686477 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 6⁴ + 8⁷ + 6⁵ + 4¹⁰ + 9 + 3¹² .

It is a Duffinian number.

It is a Curzon number.

3686493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686483) 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, 2605 + ... + 3762.

It is an arithmetic number, because the mean of its divisors is an integer number (617696).

Almost surely, 2^3686493 is an apocalyptic number.

It is an amenable number.

3686493 is a deficient number, since it is larger than the sum of its proper divisors (1255075).

3686493 is a wasteful number, since it uses less digits than its factorization.

3686493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6563.

The product of its digits is 93312, while the sum is 39.

The square root of 3686493 is about 1920.0242185973. The cubic root of 3686493 is about 154.4796005785.

The spelling of 3686493 in words is "three million, six hundred eighty-six thousand, four hundred ninety-three".