284265 has 12 divisors (see below), whose sum is σ = 492804. Its totient is φ = 151584.

The previous prime is 284261. The next prime is 284267. The reversal of 284265 is 562482.

It can be written as a sum of positive squares in 2 ways, for example, as 127449 + 156816 = 357^2 + 396^2 .

It is not a de Polignac number, because 284265 - 2² = 284261 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 8² + 2¹² + 4² + 6⁷ + 5² .

It is a plaindrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 284265.

It is not an unprimeable number, because it can be changed into a prime (284261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3114 + ... + 3203.

It is an arithmetic number, because the mean of its divisors is an integer number (41067).

2²⁸⁴²⁶⁵ is an apocalyptic number.

It is an amenable number.

284265 is a deficient number, since it is larger than the sum of its proper divisors (208539).

284265 is a wasteful number, since it uses less digits than its factorization.

284265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328 (or 6325 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 284265 is about 533.1650776261. The cubic root of 284265 is about 65.7518227795.

The spelling of 284265 in words is "two hundred eighty-four thousand, two hundred sixty-five".