3686305 has 8 divisors (see below), whose sum is σ = 5055552. Its totient is φ = 2527728.

The previous prime is 3686299. The next prime is 3686321. The reversal of 3686305 is 5036863.

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

It is not a de Polignac number, because 3686305 - 2¹³ = 3678113 is a prime.

It is a Duffinian number.

3686305 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52627 + ... + 52696.

It is an arithmetic number, because the mean of its divisors is an integer number (631944).

Almost surely, 2^3686305 is an apocalyptic number.

3686305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3686305 is a deficient number, since it is larger than the sum of its proper divisors (1369247).

3686305 is a wasteful number, since it uses less digits than its factorization.

3686305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105335.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3686305 is about 1919.9752602573. The cubic root of 3686305 is about 154.4769745363.

The spelling of 3686305 in words is "three million, six hundred eighty-six thousand, three hundred five".