3850686 has 64 divisors (see below), whose sum is σ = 9999360. Its totient is φ = 1075680.

The previous prime is 3850661. The next prime is 3850699. The reversal of 3850686 is 6860583.

It is a self number, because there is not a number n which added to its sum of digits gives 3850686.

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, 22975 + ... + 23141.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

Almost surely, 2^3850686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3850686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4999680).

3850686 is an abundant number, since it is smaller than the sum of its proper divisors (6148674).

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

3850686 is a wasteful number, since it uses less digits than its factorization.

3850686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 3850686 is about 1962.3164882353. The cubic root of 3850686 is about 156.7398290143.

The spelling of 3850686 in words is "three million, eight hundred fifty thousand, six hundred eighty-six".