284575 has 6 divisors (see below), whose sum is σ = 352904. Its totient is φ = 227640.

The previous prime is 284573. The next prime is 284587. The reversal of 284575 is 575482.

It is not a de Polignac number, because 284575 - 2¹ = 284573 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 8⁶ + 5⁵ + 4⁴ + 7⁴ + 5⁶ .

It is a Duffinian number.

284575 is a lucky number.

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 (284573) 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, 5667 + ... + 5716.

2²⁸⁴⁵⁷⁵ is an apocalyptic number.

284575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

284575 is a deficient number, since it is larger than the sum of its proper divisors (68329).

284575 is a wasteful number, since it uses less digits than its factorization.

284575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11393 (or 11388 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 284575 is about 533.4557151254. The cubic root of 284575 is about 65.7757155792.

The spelling of 284575 in words is "two hundred eighty-four thousand, five hundred seventy-five".