284984 has 24 divisors (see below), whose sum is σ = 622440. Its totient is φ = 121968.

The previous prime is 284969. The next prime is 284989. The reversal of 284984 is 489482.

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 284984.

It is not an unprimeable number, because it can be changed into a prime (284989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29 + ... + 755.

It is an arithmetic number, because the mean of its divisors is an integer number (25935).

2²⁸⁴⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311220).

284984 is an abundant number, since it is smaller than the sum of its proper divisors (337456).

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

284984 is a wasteful number, since it uses less digits than its factorization.

284984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 736 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 284984 is about 533.8389270183. The cubic root of 284984 is about 65.8072121263.

The spelling of 284984 in words is "two hundred eighty-four thousand, nine hundred eighty-four".