3686868536 has 32 divisors (see below), whose sum is σ = 7768323360. Its totient is φ = 1627646592.

The previous prime is 3686868511. The next prime is 3686868541. The reversal of 3686868536 is 6358686863.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768275 + ... + 773058.

It is an arithmetic number, because the mean of its divisors is an integer number (242760105).

Almost surely, 2^3686868536 is an apocalyptic number.

It is an amenable number.

3686868536 is an abundant number, since it is smaller than the sum of its proper divisors (4081454824).

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

3686868536 is a wasteful number, since it uses less digits than its factorization.

3686868536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541375 (or 1541371 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 59.

The square root of 3686868536 is about 60719.5893925511. The cubic root of 3686868536 is about 1544.8484591437.

The spelling of 3686868536 in words is "three billion, six hundred eighty-six million, eight hundred sixty-eight thousand, five hundred thirty-six".