284235 has 16 divisors (see below), whose sum is σ = 519936. Its totient is φ = 129888.

The previous prime is 284233. The next prime is 284237. The reversal of 284235 is 532482.

It is an interprime number because it is at equal distance from previous prime (284233) and next prime (284237).

It is not a de Polignac number, because 284235 - 2¹ = 284233 is a prime.

284235 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (284231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249 + ... + 1458.

It is an arithmetic number, because the mean of its divisors is an integer number (32496).

2²⁸⁴²³⁵ is an apocalyptic number.

284235 is a deficient number, since it is larger than the sum of its proper divisors (235701).

284235 is a wasteful number, since it uses less digits than its factorization.

284235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722.

The product of its digits is 1920, while the sum is 24.

The square root of 284235 is about 533.1369430081. The cubic root of 284235 is about 65.7495096514.

The spelling of 284235 in words is "two hundred eighty-four thousand, two hundred thirty-five".