3868836365 has 8 divisors (see below), whose sum is σ = 4768079640. Its totient is φ = 3011418432.

The previous prime is 3868836331. The next prime is 3868836397. The reversal of 3868836365 is 5636388683.

It can be written as a sum of positive squares in 4 ways, for example, as 1838522884 + 2030313481 = 42878^2 + 45059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3868836365 - 2²⁰ = 3867787789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3868836365.

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, 10456130 + ... + 10456499.

It is an arithmetic number, because the mean of its divisors is an integer number (596009955).

Almost surely, 2^3868836365 is an apocalyptic number.

It is an amenable number.

3868836365 is a deficient number, since it is larger than the sum of its proper divisors (899243275).

3868836365 is a wasteful number, since it uses less digits than its factorization.

3868836365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20912671.

The product of its digits is 14929920, while the sum is 56.

The square root of 3868836365 is about 62199.9707797359. The cubic root of 3868836365 is about 1569.8570961388.

The spelling of 3868836365 in words is "three billion, eight hundred sixty-eight million, eight hundred thirty-six thousand, three hundred sixty-five".