3686105928 has 32 divisors (see below), whose sum is σ = 9228124800. Its totient is φ = 1226987328.

The previous prime is 3686105921. The next prime is 3686105939. The reversal of 3686105928 is 8295016863.

It is a happy number.

3686105928 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3686105921) 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, 89551 + ... + 124062.

It is an arithmetic number, because the mean of its divisors is an integer number (288378900).

Almost surely, 2^3686105928 is an apocalyptic number.

It is an amenable number.

3686105928 is an abundant number, since it is smaller than the sum of its proper divisors (5542018872).

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

3686105928 is a wasteful number, since it uses less digits than its factorization.

3686105928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214341 (or 214337 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 3686105928 is about 60713.3093151740. The cubic root of 3686105928 is about 1544.7419373967.

The spelling of 3686105928 in words is "three billion, six hundred eighty-six million, one hundred five thousand, nine hundred twenty-eight".