3688043636 has 12 divisors (see below), whose sum is σ = 6456522240. Its totient is φ = 1843323000.

The previous prime is 3688043627. The next prime is 3688043641. The reversal of 3688043636 is 6363408863.

It is a super-2 number, since 2×3688043636² = 27203331722080200992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 162740 + ... + 184011.

It is an arithmetic number, because the mean of its divisors is an integer number (538043520).

Almost surely, 2^3688043636 is an apocalyptic number.

It is an amenable number.

3688043636 is a deficient number, since it is larger than the sum of its proper divisors (2768478604).

3688043636 is a wasteful number, since it uses less digits than its factorization.

3688043636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349414 (or 349412 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 47.

The square root of 3688043636 is about 60729.2650704749. The cubic root of 3688043636 is about 1545.0125693793.

The spelling of 3688043636 in words is "three billion, six hundred eighty-eight million, forty-three thousand, six hundred thirty-six".