284528 has 10 divisors (see below), whose sum is σ = 551304. Its totient is φ = 142256.

The previous prime is 284527. The next prime is 284539. The reversal of 284528 is 825482.

284528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 284528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8876 + ... + 8907.

2²⁸⁴⁵²⁸ is an apocalyptic number.

It is an amenable number.

284528 is a deficient number, since it is larger than the sum of its proper divisors (266776).

284528 is a wasteful number, since it uses less digits than its factorization.

284528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17791 (or 17785 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 284528 is about 533.4116609149. The cubic root of 284528 is about 65.7720942388.

The spelling of 284528 in words is "two hundred eighty-four thousand, five hundred twenty-eight".