3686083812 has 18 divisors (see below), whose sum is σ = 9317600838. Its totient is φ = 1228694592.

The previous prime is 3686083811. The next prime is 3686083879. The reversal of 3686083812 is 2183806863.

3686083812 is a `hidden beast` number, since 3 + 6 + 8 + 608 + 38 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2001309696 + 1684774116 = 44736^2 + 41046^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (3686083811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51195573 + ... + 51195644.

It is an arithmetic number, because the mean of its divisors is an integer number (517644491).

Almost surely, 2^3686083812 is an apocalyptic number.

It is an amenable number.

3686083812 is an abundant number, since it is smaller than the sum of its proper divisors (5631517026).

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

3686083812 is a wasteful number, since it uses less digits than its factorization.

3686083812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102391227 (or 102391222 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 3686083812 is about 60713.1271802071. The cubic root of 3686083812 is about 1544.7388479955.

The spelling of 3686083812 in words is "three billion, six hundred eighty-six million, eighty-three thousand, eight hundred twelve".