3808686 has 64 divisors (see below), whose sum is σ = 9331200. Its totient is φ = 1013376.

The previous prime is 3808667. The next prime is 3808709. The reversal of 3808686 is 6868083.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 64525 + ... + 64583.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

Almost surely, 2^3808686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3808686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4665600).

3808686 is an abundant number, since it is smaller than the sum of its proper divisors (5522514).

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

3808686 is a wasteful number, since it uses less digits than its factorization.

3808686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 3808686 is about 1951.5855092719. The cubic root of 3808686 is about 156.1678830378.

The spelling of 3808686 in words is "three million, eight hundred eight thousand, six hundred eighty-six".