3683686855 has 4 divisors (see below), whose sum is σ = 4420424232. Its totient is φ = 2946949480.

The previous prime is 3683686843. The next prime is 3683686933. The reversal of 3683686855 is 5586863863.

It is a happy number.

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

It is not a de Polignac number, because 3683686855 - 2²⁷ = 3549469127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3683686855.

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, 368368681 + ... + 368368690.

It is an arithmetic number, because the mean of its divisors is an integer number (1105106058).

Almost surely, 2^3683686855 is an apocalyptic number.

3683686855 is a deficient number, since it is larger than the sum of its proper divisors (736737377).

3683686855 is an equidigital number, since it uses as much as digits as its factorization.

3683686855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736737376.

The product of its digits is 24883200, while the sum is 58.

The square root of 3683686855 is about 60693.3839475111. The cubic root of 3683686855 is about 1544.4039419312.

The spelling of 3683686855 in words is "three billion, six hundred eighty-three million, six hundred eighty-six thousand, eight hundred fifty-five".