283866 has 48 divisors (see below), whose sum is σ = 689472. Its totient is φ = 77440.

The previous prime is 283861. The next prime is 283873. The reversal of 283866 is 668382.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 283866.

It is not an unprimeable number, because it can be changed into a prime (283861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12331 + ... + 12353.

It is an arithmetic number, because the mean of its divisors is an integer number (14364).

2²⁸³⁸⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344736).

283866 is an abundant number, since it is smaller than the sum of its proper divisors (405606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

283866 is a wasteful number, since it uses less digits than its factorization.

283866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 56 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 283866 is about 532.7907656857. The cubic root of 283866 is about 65.7210448534.

The spelling of 283866 in words is "two hundred eighty-three thousand, eight hundred sixty-six".