384681949886 has 16 divisors (see below), whose sum is σ = 634630780224. Its totient is φ = 173767950624.

The previous prime is 384681949849. The next prime is 384681949907. The reversal of 384681949886 is 688949186483.

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, 157397285 + ... + 157399728.

It is an arithmetic number, because the mean of its divisors is an integer number (39664423764).

Almost surely, 2^384681949886 is an apocalyptic number.

384681949886 is a deficient number, since it is larger than the sum of its proper divisors (249948830338).

384681949886 is a wasteful number, since it uses less digits than its factorization.

384681949886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314797075.

The product of its digits is 573308928, while the sum is 74.

The spelling of 384681949886 in words is "three hundred eighty-four billion, six hundred eighty-one million, nine hundred forty-nine thousand, eight hundred eighty-six".