27284 has 12 divisors (see below), whose sum is σ = 50400. Its totient is φ = 12888.

The previous prime is 27283. The next prime is 27299. The reversal of 27284 is 48272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104 + ... + 255.

It is an arithmetic number, because the mean of its divisors is an integer number (4200).

2²⁷²⁸⁴ is an apocalyptic number.

It is an amenable number.

27284 is a deficient number, since it is larger than the sum of its proper divisors (23116).

27284 is a wasteful number, since it uses less digits than its factorization.

27284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 380 counting only the distinct ones).

The product of its digits is 896, while the sum is 23.

The square root of 27284 is about 165.1786911196. The cubic root of 27284 is about 30.1048185279.

Subtracting from 27284 its sum of digits (23), we obtain a triangular number (27261 = T₂₃₃).

The spelling of 27284 in words is "twenty-seven thousand, two hundred eighty-four".