384127992 has 48 divisors (see below), whose sum is σ = 1062491040. Its totient is φ = 125317248.

The previous prime is 384127979. The next prime is 384127993. The reversal of 384127992 is 299721483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384127993) 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 11 ways as a sum of consecutive naturals, for example, 53373 + ... + 60140.

It is an arithmetic number, because the mean of its divisors is an integer number (22135230).

Almost surely, 2^384127992 is an apocalyptic number.

It is an amenable number.

384127992 is an abundant number, since it is smaller than the sum of its proper divisors (678363048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384127992 is a wasteful number, since it uses less digits than its factorization.

384127992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113572 (or 113565 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 384127992 is about 19599.1834523788. The cubic root of 384127992 is about 726.9289840299.

The spelling of 384127992 in words is "three hundred eighty-four million, one hundred twenty-seven thousand, nine hundred ninety-two".