284266 has 8 divisors (see below), whose sum is σ = 431460. Its totient is φ = 140448.

The previous prime is 284261. The next prime is 284267. The reversal of 284266 is 662482.

It can be written as a sum of positive squares in 2 ways, for example, as 255025 + 29241 = 505^2 + 171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2 + 8 + 2³ + 4⁶ + 6³ + 6⁷ .

It is a plaindrome in base 16.

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 3 ways as a sum of consecutive naturals, for example, 621 + ... + 976.

2²⁸⁴²⁶⁶ is an apocalyptic number.

284266 is a deficient number, since it is larger than the sum of its proper divisors (147194).

284266 is a wasteful number, since it uses less digits than its factorization.

284266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688.

The product of its digits is 4608, while the sum is 28.

The square root of 284266 is about 533.1660154211. The cubic root of 284266 is about 65.7518998810.

The spelling of 284266 in words is "two hundred eighty-four thousand, two hundred sixty-six".