3844872686 has 16 divisors (see below), whose sum is σ = 5975612784. Its totient is φ = 1853921664.

The previous prime is 3844872667. The next prime is 3844872719. The reversal of 3844872686 is 6862784483.

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 7 ways as a sum of consecutive naturals, for example, 221540 + ... + 238263.

It is an arithmetic number, because the mean of its divisors is an integer number (373475799).

Almost surely, 2^3844872686 is an apocalyptic number.

3844872686 is a deficient number, since it is larger than the sum of its proper divisors (2130740098).

3844872686 is a wasteful number, since it uses less digits than its factorization.

3844872686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459955.

The product of its digits is 12386304, while the sum is 56.

The square root of 3844872686 is about 62007.0373909285. The cubic root of 3844872686 is about 1566.6091348623.

The spelling of 3844872686 in words is "three billion, eight hundred forty-four million, eight hundred seventy-two thousand, six hundred eighty-six".