284959 has 4 divisors (see below), whose sum is σ = 286416. Its totient is φ = 283504.

The previous prime is 284957. The next prime is 284969. The reversal of 284959 is 959482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 284959 - 2¹ = 284957 is a prime.

It is a Duffinian number.

284959 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379 + ... + 844.

It is an arithmetic number, because the mean of its divisors is an integer number (71604).

2²⁸⁴⁹⁵⁹ is an apocalyptic number.

284959 is a deficient number, since it is larger than the sum of its proper divisors (1457).

284959 is a wasteful number, since it uses less digits than its factorization.

284959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456.

The product of its digits is 25920, while the sum is 37.

The square root of 284959 is about 533.8155112021. The cubic root of 284959 is about 65.8052877745.

The spelling of 284959 in words is "two hundred eighty-four thousand, nine hundred fifty-nine".