284286 has 8 divisors (see below), whose sum is σ = 568584. Its totient is φ = 94760.

The previous prime is 284269. The next prime is 284293. The reversal of 284286 is 682482.

It is a happy number.

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

284286 is an admirable number.

It is a plaindrome in base 16.

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 284286.

It is an unprimeable number.

284286 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 23685 + ... + 23696.

It is an arithmetic number, because the mean of its divisors is an integer number (71073).

2²⁸⁴²⁸⁶ is an apocalyptic number.

284286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

284286 is a wasteful number, since it uses less digits than its factorization.

284286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47386.

The product of its digits is 6144, while the sum is 30.

The square root of 284286 is about 533.1847709753. The cubic root of 284286 is about 65.7534418724.

The spelling of 284286 in words is "two hundred eighty-four thousand, two hundred eighty-six".