384747868 has 12 divisors (see below), whose sum is σ = 673452472. Its totient is φ = 192332880.

The previous prime is 384747863. The next prime is 384747889. The reversal of 384747868 is 868747483.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384747863) 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, 22303 + ... + 35593.

Almost surely, 2^384747868 is an apocalyptic number.

It is an amenable number.

384747868 is a deficient number, since it is larger than the sum of its proper divisors (288704604).

384747868 is a wasteful number, since it uses less digits than its factorization.

384747868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20532 (or 20530 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 55.

The square root of 384747868 is about 19614.9908998195. The cubic root of 384747868 is about 727.3197944482.

It can be divided in two parts, 3847 and 47868, that added together give a palindrome (51715).

The spelling of 384747868 in words is "three hundred eighty-four million, seven hundred forty-seven thousand, eight hundred sixty-eight".