384703616 has 64 divisors (see below), whose sum is σ = 840888000. Its totient is φ = 173859840.

The previous prime is 384703607. The next prime is 384703643. The reversal of 384703616 is 616307483.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 384703616.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 279506 + ... + 280878.

It is an arithmetic number, because the mean of its divisors is an integer number (13138875).

Almost surely, 2^384703616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 384703616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420444000).

384703616 is an abundant number, since it is smaller than the sum of its proper divisors (456184384).

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

384703616 is a wasteful number, since it uses less digits than its factorization.

384703616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597 (or 1585 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 384703616 is about 19613.8628525846. The cubic root of 384703616 is about 727.2919090092.

The spelling of 384703616 in words is "three hundred eighty-four million, seven hundred three thousand, six hundred sixteen".