3688838536 has 16 divisors (see below), whose sum is σ = 6994287900. Its totient is φ = 1823695104.

The previous prime is 3688838519. The next prime is 3688838567. The reversal of 3688838536 is 6358388863.

It can be written as a sum of positive squares in 2 ways, for example, as 3671148100 + 17690436 = 60590^2 + 4206^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2589765 + ... + 2591188.

Almost surely, 2^3688838536 is an apocalyptic number.

It is an amenable number.

3688838536 is a deficient number, since it is larger than the sum of its proper divisors (3305449364).

3688838536 is a wasteful number, since it uses less digits than its factorization.

3688838536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5181048 (or 5181044 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 58.

The square root of 3688838536 is about 60735.8093384784. The cubic root of 3688838536 is about 1545.1235624864.

The spelling of 3688838536 in words is "three billion, six hundred eighty-eight million, eight hundred thirty-eight thousand, five hundred thirty-six".