283885 has 8 divisors (see below), whose sum is σ = 389376. Its totient is φ = 194640.

The previous prime is 283873. The next prime is 283909. The reversal of 283885 is 588382.

It is a happy number.

283885 is nontrivially palindromic in base 14.

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

It is not a de Polignac number, because 283885 - 2¹¹ = 281837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 283885.

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, 4021 + ... + 4090.

It is an arithmetic number, because the mean of its divisors is an integer number (48672).

2²⁸³⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

283885 is a deficient number, since it is larger than the sum of its proper divisors (105491).

283885 is an equidigital number, since it uses as much as digits as its factorization.

283885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8123.

The product of its digits is 15360, while the sum is 34.

The square root of 283885 is about 532.8085960268. The cubic root of 283885 is about 65.7225111227.

The spelling of 283885 in words is "two hundred eighty-three thousand, eight hundred eighty-five".