284255 has 8 divisors (see below), whose sum is σ = 344400. Its totient is φ = 225216.

The previous prime is 284243. The next prime is 284261. The reversal of 284255 is 552482.

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

It is a cyclic number.

It is not a de Polignac number, because 284255 - 2⁶ = 284191 is a prime.

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 284255.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (43050).

2²⁸⁴²⁵⁵ is an apocalyptic number.

284255 is a deficient number, since it is larger than the sum of its proper divisors (60145).

284255 is a wasteful number, since it uses less digits than its factorization.

284255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553.

The product of its digits is 3200, while the sum is 26.

The square root of 284255 is about 533.1556995850. The cubic root of 284255 is about 65.7510517549.

The spelling of 284255 in words is "two hundred eighty-four thousand, two hundred fifty-five".