384255 has 12 divisors (see below), whose sum is σ = 666120. Its totient is φ = 204912.

The previous prime is 384253. The next prime is 384257. The reversal of 384255 is 552483.

It is an interprime number because it is at equal distance from previous prime (384253) and next prime (384257).

It is not a de Polignac number, because 384255 - 2¹ = 384253 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 384255.

It is not an unprimeable number, because it can be changed into a prime (384253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4225 + ... + 4314.

It is an arithmetic number, because the mean of its divisors is an integer number (55510).

2³⁸⁴²⁵⁵ is an apocalyptic number.

384255 is a deficient number, since it is larger than the sum of its proper divisors (281865).

384255 is a wasteful number, since it uses less digits than its factorization.

384255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8550 (or 8547 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 384255 is about 619.8830534867. The cubic root of 384255 is about 72.7009092418.

The spelling of 384255 in words is "three hundred eighty-four thousand, two hundred fifty-five".