285326 has 8 divisors (see below), whose sum is σ = 430920. Its totient is φ = 141688.

The previous prime is 285317. The next prime is 285343. The reversal of 285326 is 623582.

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 2⁷ + 8 + 3⁴ + 5⁵ + 2¹¹ + 6⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 285295 and 285304.

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, 41 + ... + 756.

It is an arithmetic number, because the mean of its divisors is an integer number (53865).

2²⁸⁵³²⁶ is an apocalyptic number.

285326 is a deficient number, since it is larger than the sum of its proper divisors (145594).

285326 is a wasteful number, since it uses less digits than its factorization.

285326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978.

The product of its digits is 2880, while the sum is 26.

The square root of 285326 is about 534.1591523132. The cubic root of 285326 is about 65.8335259657.

The spelling of 285326 in words is "two hundred eighty-five thousand, three hundred twenty-six".