3686385 has 8 divisors (see below), whose sum is σ = 5898240. Its totient is φ = 1966064.

The previous prime is 3686383. The next prime is 3686387. The reversal of 3686385 is 5836863.

It is an interprime number because it is at equal distance from previous prime (3686383) and next prime (3686387).

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 3686385 - 2¹ = 3686383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686383) 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, 122865 + ... + 122894.

It is an arithmetic number, because the mean of its divisors is an integer number (737280).

Almost surely, 2^3686385 is an apocalyptic number.

It is an amenable number.

3686385 is a deficient number, since it is larger than the sum of its proper divisors (2211855).

3686385 is a wasteful number, since it uses less digits than its factorization.

3686385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245767.

The product of its digits is 103680, while the sum is 39.

The square root of 3686385 is about 1919.9960937460. The cubic root of 3686385 is about 154.4780920120.

The spelling of 3686385 in words is "three million, six hundred eighty-six thousand, three hundred eighty-five".