3686806835 has 8 divisors (see below), whose sum is σ = 4657019280. Its totient is φ = 2794211424.

The previous prime is 3686806831. The next prime is 3686806867. The reversal of 3686806835 is 5386086863.

3686806835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3686806835 - 2² = 3686806831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3686806831) 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, 19404152 + ... + 19404341.

It is an arithmetic number, because the mean of its divisors is an integer number (582127410).

Almost surely, 2^3686806835 is an apocalyptic number.

3686806835 is a deficient number, since it is larger than the sum of its proper divisors (970212445).

3686806835 is a wasteful number, since it uses less digits than its factorization.

3686806835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38808517.

The product of its (nonzero) digits is 4976640, while the sum is 53.

The square root of 3686806835 is about 60719.0813089263. The cubic root of 3686806835 is about 1544.8398412407.

The spelling of 3686806835 in words is "three billion, six hundred eighty-six million, eight hundred six thousand, eight hundred thirty-five".