286263 has 12 divisors (see below), whose sum is σ = 438048. Its totient is φ = 179520.

The previous prime is 286249. The next prime is 286289. The reversal of 286263 is 362682.

It is not a de Polignac number, because 286263 - 2⁶ = 286199 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹¹ + 8 + 2¹¹ + 6² + 6⁷ + 3⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 783 + ... + 1088.

It is an arithmetic number, because the mean of its divisors is an integer number (36504).

2²⁸⁶²⁶³ is an apocalyptic number.

286263 is a deficient number, since it is larger than the sum of its proper divisors (151785).

286263 is a wasteful number, since it uses less digits than its factorization.

286263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894 (or 1891 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 286263 is about 535.0355128400. The cubic root of 286263 is about 65.9055121755.

The spelling of 286263 in words is "two hundred eighty-six thousand, two hundred sixty-three".