3686628528 has 60 divisors (see below), whose sum is σ = 11255393448. Its totient is φ = 1117159680.

The previous prime is 3686628527. The next prime is 3686628541. The reversal of 3686628528 is 8258266863.

3686628528 is a `hidden beast` number, since 3 + 6 + 8 + 6 + 628 + 5 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (3686628523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1162125 + ... + 1165292.

Almost surely, 2^3686628528 is an apocalyptic number.

It is an amenable number.

3686628528 is an abundant number, since it is smaller than the sum of its proper divisors (7568764920).

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

3686628528 is a wasteful number, since it uses less digits than its factorization.

3686628528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327442 (or 2327433 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The square root of 3686628528 is about 60717.6129965597. The cubic root of 3686628528 is about 1544.8149362022.

The spelling of 3686628528 in words is "three billion, six hundred eighty-six million, six hundred twenty-eight thousand, five hundred twenty-eight".