384985111 has 24 divisors (see below), whose sum is σ = 487038096. Its totient is φ = 302158080.

The previous prime is 384985099. The next prime is 384985123. The reversal of 384985111 is 111589483.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (384985099) and next prime (384985123).

It is not a de Polignac number, because 384985111 - 2⁵ = 384985079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384985141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24576 + ... + 37066.

It is an arithmetic number, because the mean of its divisors is an integer number (20293254).

Almost surely, 2^384985111 is an apocalyptic number.

384985111 is a deficient number, since it is larger than the sum of its proper divisors (102052985).

384985111 is a wasteful number, since it uses less digits than its factorization.

384985111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12559 (or 12552 counting only the distinct ones).

The product of its digits is 34560, while the sum is 40.

The square root of 384985111 is about 19621.0374598287. The cubic root of 384985111 is about 727.4692568973.

The spelling of 384985111 in words is "three hundred eighty-four million, nine hundred eighty-five thousand, one hundred eleven".