3686331305 has 16 divisors (see below), whose sum is σ = 4530028800. Its totient is φ = 2878219008.

The previous prime is 3686331287. The next prime is 3686331353. The reversal of 3686331305 is 5031336863.

It is a cyclic number.

It is not a de Polignac number, because 3686331305 - 2¹⁰ = 3686330281 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299921 + ... + 311969.

It is an arithmetic number, because the mean of its divisors is an integer number (283126800).

Almost surely, 2^3686331305 is an apocalyptic number.

It is an amenable number.

3686331305 is a deficient number, since it is larger than the sum of its proper divisors (843697495).

3686331305 is a wasteful number, since it uses less digits than its factorization.

3686331305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13520.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 3686331305 is about 60715.1653625352. The cubic root of 3686331305 is about 1544.7734197809.

The spelling of 3686331305 in words is "three billion, six hundred eighty-six million, three hundred thirty-one thousand, three hundred five".