285230 has 16 divisors (see below), whose sum is σ = 560304. Its totient is φ = 103680.

The previous prime is 285227. The next prime is 285251. The reversal of 285230 is 32582.

It is a d-powerful number, because it can be written as 2⁴ + 8⁶ + 2¹⁴ + 5³ + 3⁸ + 0 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187 + ... + 1406.

It is an arithmetic number, because the mean of its divisors is an integer number (35019).

2²⁸⁵²³⁰ is an apocalyptic number.

285230 is a deficient number, since it is larger than the sum of its proper divisors (275074).

285230 is a wasteful number, since it uses less digits than its factorization.

285230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 285230 is about 534.0692838949. The cubic root of 285230 is about 65.8261417486.

It can be divided in two parts, 2852 and 30, that added together give a palindrome (2882).

The spelling of 285230 in words is "two hundred eighty-five thousand, two hundred thirty".