3884862685 has 16 divisors (see below), whose sum is σ = 5086851840. Its totient is φ = 2824680640.

The previous prime is 3884862671. The next prime is 3884862703. The reversal of 3884862685 is 5862684883.

It is a de Polignac number, because none of the positive numbers 2^k-3884862685 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425751 + ... + 434779.

It is an arithmetic number, because the mean of its divisors is an integer number (317928240).

Almost surely, 2^3884862685 is an apocalyptic number.

It is an amenable number.

3884862685 is a deficient number, since it is larger than the sum of its proper divisors (1201989155).

3884862685 is a wasteful number, since it uses less digits than its factorization.

3884862685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16868.

The product of its digits is 17694720, while the sum is 58.

The square root of 3884862685 is about 62328.6666390354. Note that the first 4 decimals coincide. The cubic root of 3884862685 is about 1572.0217756298.

The spelling of 3884862685 in words is "three billion, eight hundred eighty-four million, eight hundred sixty-two thousand, six hundred eighty-five".