3686206105 has 4 divisors (see below), whose sum is σ = 4423447332. Its totient is φ = 2948964880.

The previous prime is 3686206079. The next prime is 3686206129. The reversal of 3686206105 is 5016026863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2707016841 + 979189264 = 52029^2 + 31292^2 .

It is not a de Polignac number, because 3686206105 - 2¹³ = 3686197913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368620606 + ... + 368620615.

It is an arithmetic number, because the mean of its divisors is an integer number (1105861833).

Almost surely, 2^3686206105 is an apocalyptic number.

It is an amenable number.

3686206105 is a deficient number, since it is larger than the sum of its proper divisors (737241227).

3686206105 is an equidigital number, since it uses as much as digits as its factorization.

3686206105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737241226.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 3686206105 is about 60714.1343098953. The cubic root of 3686206105 is about 1544.7559310452.

The spelling of 3686206105 in words is "three billion, six hundred eighty-six million, two hundred six thousand, one hundred five".