3686868405 has 48 divisors (see below), whose sum is σ = 7089750720. Its totient is φ = 1757260800.

The previous prime is 3686868401. The next prime is 3686868413. The reversal of 3686868405 is 5048686863.

It is not a de Polignac number, because 3686868405 - 2² = 3686868401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686868401) 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 47 ways as a sum of consecutive naturals, for example, 33916 + ... + 92325.

It is an arithmetic number, because the mean of its divisors is an integer number (147703140).

Almost surely, 2^3686868405 is an apocalyptic number.

It is an amenable number.

3686868405 is a deficient number, since it is larger than the sum of its proper divisors (3402882315).

3686868405 is a wasteful number, since it uses less digits than its factorization.

3686868405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126322 (or 126319 counting only the distinct ones).

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

The square root of 3686868405 is about 60719.5883138218. The cubic root of 3686868405 is about 1544.8484408468.

The spelling of 3686868405 in words is "three billion, six hundred eighty-six million, eight hundred sixty-eight thousand, four hundred five".