384147618 has 8 divisors (see below), whose sum is σ = 768295248. Its totient is φ = 128049204.

The previous prime is 384147613. The next prime is 384147637. The reversal of 384147618 is 816741483.

It is a sphenic number, since it is the product of 3 distinct primes.

384147618 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 384147618.

It is not an unprimeable number, because it can be changed into a prime (384147613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32012296 + ... + 32012307.

It is an arithmetic number, because the mean of its divisors is an integer number (96036906).

Almost surely, 2^384147618 is an apocalyptic number.

384147618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

384147618 is a wasteful number, since it uses less digits than its factorization.

384147618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64024608.

The product of its digits is 129024, while the sum is 42.

The square root of 384147618 is about 19599.6841301078. The cubic root of 384147618 is about 726.9413639879.

The spelling of 384147618 in words is "three hundred eighty-four million, one hundred forty-seven thousand, six hundred eighteen".