384821116 has 24 divisors (see below), whose sum is σ = 682460240. Its totient is φ = 189844992.

The previous prime is 384821111. The next prime is 384821183. The reversal of 384821116 is 611128483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384821111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143395 + ... + 146053.

Almost surely, 2^384821116 is an apocalyptic number.

It is an amenable number.

384821116 is a deficient number, since it is larger than the sum of its proper divisors (297639124).

384821116 is a wasteful number, since it uses less digits than its factorization.

384821116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133 (or 3131 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 384821116 is about 19616.8579543208. The cubic root of 384821116 is about 727.3659470452.

Adding to 384821116 its reverse (611128483), we get a palindrome (995949599).

It can be divided in two parts, 3848 and 21116, that added together give a square (24964 = 158²).

The spelling of 384821116 in words is "three hundred eighty-four million, eight hundred twenty-one thousand, one hundred sixteen".