283306 has 4 divisors (see below), whose sum is σ = 424962. Its totient is φ = 141652.

The previous prime is 283303. The next prime is 283369. The reversal of 283306 is 603382.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 216225 + 67081 = 465^2 + 259^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹¹ + 8³ + 3⁴ + 3⁶ + 0 + 6⁷ .

It is not an unprimeable number, because it can be changed into a prime (283303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70825 + ... + 70828.

2²⁸³³⁰⁶ is an apocalyptic number.

283306 is a deficient number, since it is larger than the sum of its proper divisors (141656).

283306 is a wasteful number, since it uses less digits than its factorization.

283306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141655.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 283306 is about 532.2649716072. The cubic root of 283306 is about 65.6777990809.

Adding to 283306 its reverse (603382), we get a palindrome (886688).

The spelling of 283306 in words is "two hundred eighty-three thousand, three hundred six".