384187216 has 160 divisors (see below), whose sum is σ = 973651968. Its totient is φ = 142940160.

The previous prime is 384187213. The next prime is 384187217. The reversal of 384187216 is 612781483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384187213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1357411 + ... + 1357693.

Almost surely, 2^384187216 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 384187216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486825984).

384187216 is an abundant number, since it is smaller than the sum of its proper divisors (589464752).

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

384187216 is a wasteful number, since it uses less digits than its factorization.

384187216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 363 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 384187216 is about 19600.6942734180. The cubic root of 384187216 is about 726.9663408751.

The spelling of 384187216 in words is "three hundred eighty-four million, one hundred eighty-seven thousand, two hundred sixteen".