287084 has 12 divisors (see below), whose sum is σ = 574224. Its totient is φ = 123024.

The previous prime is 287059. The next prime is 287087. The reversal of 287084 is 480782.

287084 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 287084.

It is not an unprimeable number, because it can be changed into a prime (287087) by changing a digit.

287084 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5099 + ... + 5154.

It is an arithmetic number, because the mean of its divisors is an integer number (47852).

2²⁸⁷⁰⁸⁴ is an apocalyptic number.

It is an amenable number.

287084 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

287084 is a wasteful number, since it uses less digits than its factorization.

287084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10264 (or 10262 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 287084 is about 535.8022023098. The cubic root of 287084 is about 65.9684575326.

The spelling of 287084 in words is "two hundred eighty-seven thousand, eighty-four".