285012 has 96 divisors (see below), whose sum is σ = 940800. Its totient is φ = 72576.

The previous prime is 285007. The next prime is 285023. The reversal of 285012 is 210582.

285012 is nontrivially palindromic in base 16.

285012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9814 + ... + 9842.

It is an arithmetic number, because the mean of its divisors is an integer number (9800).

2²⁸⁵⁰¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470400).

285012 is an abundant number, since it is smaller than the sum of its proper divisors (655788).

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

285012 is a wasteful number, since it uses less digits than its factorization.

285012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 285012 is about 533.8651515130. The cubic root of 285012 is about 65.8093672667.

Adding to 285012 its reverse (210582), we get a palindrome (495594).

The spelling of 285012 in words is "two hundred eighty-five thousand, twelve".