384739564 has 12 divisors (see below), whose sum is σ = 734502888. Its totient is φ = 174881600.

The previous prime is 384739541. The next prime is 384739567. The reversal of 384739564 is 465937483.

It is not an unprimeable number, because it can be changed into a prime (384739567) 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, 4371997 + ... + 4372084.

It is an arithmetic number, because the mean of its divisors is an integer number (61208574).

Almost surely, 2^384739564 is an apocalyptic number.

It is an amenable number.

384739564 is a deficient number, since it is larger than the sum of its proper divisors (349763324).

384739564 is a wasteful number, since it uses less digits than its factorization.

384739564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8744096 (or 8744094 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The square root of 384739564 is about 19614.7792238404. The cubic root of 384739564 is about 727.3145618378.

The spelling of 384739564 in words is "three hundred eighty-four million, seven hundred thirty-nine thousand, five hundred sixty-four".