3686384 has 40 divisors (see below), whose sum is σ = 7916160. Its totient is φ = 1651968.

The previous prime is 3686383. The next prime is 3686387. The reversal of 3686384 is 4836863.

It is a zygodrome in base 2.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7457 + ... + 7935.

It is an arithmetic number, because the mean of its divisors is an integer number (197904).

Almost surely, 2^3686384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3686384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3958080).

3686384 is an abundant number, since it is smaller than the sum of its proper divisors (4229776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3686384 is a wasteful number, since it uses less digits than its factorization.

3686384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 531 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 3686384 is about 1919.9958333288. The cubic root of 3686384 is about 154.4780780437.

The spelling of 3686384 in words is "three million, six hundred eighty-six thousand, three hundred eighty-four".