285382 has 8 divisors (see below), whose sum is σ = 430416. Its totient is φ = 141912.

The previous prime is 285377. The next prime is 285421. The reversal of 285382 is 283582.

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

It is a self number, because there is not a number n which added to its sum of digits gives 285382.

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, 343 + ... + 829.

It is an arithmetic number, because the mean of its divisors is an integer number (53802).

2²⁸⁵³⁸² is an apocalyptic number.

285382 is a deficient number, since it is larger than the sum of its proper divisors (145034).

285382 is a wasteful number, since it uses less digits than its factorization.

285382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782.

The product of its digits is 3840, while the sum is 28.

The square root of 285382 is about 534.2115685756. The cubic root of 285382 is about 65.8378326609.

The spelling of 285382 in words is "two hundred eighty-five thousand, three hundred eighty-two".