3686489 has 8 divisors (see below), whose sum is σ = 3843840. Its totient is φ = 3531600.

The previous prime is 3686483. The next prime is 3686503. The reversal of 3686489 is 9846863.

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

It is a de Polignac number, because none of the positive numbers 2^k-3686489 is a prime.

It is a super-2 number, since 2×3686489² = 27180402294242, which contains 22 as substring.

It is a Duffinian 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, 2834 + ... + 3924.

It is an arithmetic number, because the mean of its divisors is an integer number (480480).

Almost surely, 2^3686489 is an apocalyptic number.

It is an amenable number.

3686489 is a deficient number, since it is larger than the sum of its proper divisors (157351).

3686489 is a wasteful number, since it uses less digits than its factorization.

3686489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231.

The product of its digits is 248832, while the sum is 44.

The square root of 3686489 is about 1920.0231769434. The cubic root of 3686489 is about 154.4795447062.

The spelling of 3686489 in words is "three million, six hundred eighty-six thousand, four hundred eighty-nine".