384315 has 8 divisors (see below), whose sum is σ = 614928. Its totient is φ = 204960.

The previous prime is 384301. The next prime is 384317. The reversal of 384315 is 513483.

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

It is not a de Polignac number, because 384315 - 2⁴ = 384299 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

384315 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (384317) 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 7 ways as a sum of consecutive naturals, for example, 12796 + ... + 12825.

It is an arithmetic number, because the mean of its divisors is an integer number (76866).

2³⁸⁴³¹⁵ is an apocalyptic number.

384315 is a deficient number, since it is larger than the sum of its proper divisors (230613).

384315 is a wasteful number, since it uses less digits than its factorization.

384315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25629.

The product of its digits is 1440, while the sum is 24.

The square root of 384315 is about 619.9314478231. The cubic root of 384315 is about 72.7046930377.

Adding to 384315 its reverse (513483), we get a palindrome (897798).

The spelling of 384315 in words is "three hundred eighty-four thousand, three hundred fifteen".