284536 has 16 divisors (see below), whose sum is σ = 609840. Its totient is φ = 121920.

The previous prime is 284527. The next prime is 284539. The reversal of 284536 is 635482.

284536 = T₈₄ + T₈₅ + ... + T₁₃₁.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a d-powerful number, because it can be written as 2⁷ + 8 + 5³ + 4⁶ + 3⁵ + 6⁷ .

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284539) by changing a digit.

284536 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 3 ways as a sum of consecutive naturals, for example, 2485 + ... + 2596.

It is an arithmetic number, because the mean of its divisors is an integer number (38115).

2²⁸⁴⁵³⁶ is an apocalyptic number.

It is an amenable number.

284536 is an abundant number, since it is smaller than the sum of its proper divisors (325304).

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

284536 is a wasteful number, since it uses less digits than its factorization.

284536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094 (or 5090 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 284536 is about 533.4191597609. The cubic root of 284536 is about 65.7727106653.

It can be divided in two parts, 284 and 536, that added together give a triangular number (820 = T₄₀).

The spelling of 284536 in words is "two hundred eighty-four thousand, five hundred thirty-six".