384815884 has 12 divisors (see below), whose sum is σ = 687756384. Its totient is φ = 188314064.

The previous prime is 384815863. The next prime is 384815887. The reversal of 384815884 is 488518483.

384815884 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (384815887) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1023259 + ... + 1023634.

It is an arithmetic number, because the mean of its divisors is an integer number (57313032).

Almost surely, 2^384815884 is an apocalyptic number.

It is an amenable number.

384815884 is a deficient number, since it is larger than the sum of its proper divisors (302940500).

384815884 is a wasteful number, since it uses less digits than its factorization.

384815884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046944 (or 2046942 counting only the distinct ones).

The product of its digits is 983040, while the sum is 49.

The square root of 384815884 is about 19616.7245991781. The cubic root of 384815884 is about 727.3626506253.

The spelling of 384815884 in words is "three hundred eighty-four million, eight hundred fifteen thousand, eight hundred eighty-four".