285338 has 8 divisors (see below), whose sum is σ = 446688. Its totient is φ = 136444.

The previous prime is 285317. The next prime is 285343. The reversal of 285338 is 833582.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 285338.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3056 + ... + 3147.

It is an arithmetic number, because the mean of its divisors is an integer number (55836).

2²⁸⁵³³⁸ is an apocalyptic number.

285338 is a deficient number, since it is larger than the sum of its proper divisors (161350).

285338 is a wasteful number, since it uses less digits than its factorization.

285338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6228.

The product of its digits is 5760, while the sum is 29.

The square root of 285338 is about 534.1703848025. The cubic root of 285338 is about 65.8344488764.

The spelling of 285338 in words is "two hundred eighty-five thousand, three hundred thirty-eight".