3684536728 has 16 divisors (see below), whose sum is σ = 6910984080. Its totient is φ = 1841607648.

The previous prime is 3684536711. The next prime is 3684536729. The reversal of 3684536728 is 8276354863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3684536729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58476 + ... + 103867.

It is an arithmetic number, because the mean of its divisors is an integer number (431936505).

Almost surely, 2^3684536728 is an apocalyptic number.

It is an amenable number.

3684536728 is a deficient number, since it is larger than the sum of its proper divisors (3226447352).

3684536728 is a wasteful number, since it uses less digits than its factorization.

3684536728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165186 (or 165182 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 52.

The square root of 3684536728 is about 60700.3849081701. The cubic root of 3684536728 is about 1544.5227039519.

The spelling of 3684536728 in words is "three billion, six hundred eighty-four million, five hundred thirty-six thousand, seven hundred twenty-eight".