284943 has 8 divisors (see below), whose sum is σ = 400000. Its totient is φ = 179928.

The previous prime is 284927. The next prime is 284957. The reversal of 284943 is 349482.

It is a happy number.

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

It is not a de Polignac number, because 284943 - 2⁴ = 284927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 284943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443 + ... + 2556.

It is an arithmetic number, because the mean of its divisors is an integer number (50000).

2²⁸⁴⁹⁴³ is an apocalyptic number.

284943 is a deficient number, since it is larger than the sum of its proper divisors (115057).

284943 is a wasteful number, since it uses less digits than its factorization.

284943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021.

The product of its digits is 6912, while the sum is 30.

The square root of 284943 is about 533.8005245408. The cubic root of 284943 is about 65.8040561303.

The spelling of 284943 in words is "two hundred eighty-four thousand, nine hundred forty-three".