284550 has 48 divisors (see below), whose sum is σ = 809472. Its totient is φ = 64800.

The previous prime is 284539. The next prime is 284551. The reversal of 284550 is 55482.

It is a self number, because there is not a number n which added to its sum of digits gives 284550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284551) by changing a digit.

284550 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 915 + ... + 1185.

It is an arithmetic number, because the mean of its divisors is an integer number (16864).

2²⁸⁴⁵⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404736).

284550 is an abundant number, since it is smaller than the sum of its proper divisors (524922).

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

284550 is a wasteful number, since it uses less digits than its factorization.

284550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 284550 is about 533.4322824877. The cubic root of 284550 is about 65.7737893839.

The spelling of 284550 in words is "two hundred eighty-four thousand, five hundred fifty".