28854 has 24 divisors (see below), whose sum is σ = 71760. Its totient is φ = 8208.

The previous prime is 28843. The next prime is 28859. The reversal of 28854 is 45882.

28854 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 28854.

It is not an unprimeable number, because it can be changed into a prime (28859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12 + ... + 240.

It is an arithmetic number, because the mean of its divisors is an integer number (2990).

2²⁸⁸⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35880).

28854 is an abundant number, since it is smaller than the sum of its proper divisors (42906).

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

28854 is a wasteful number, since it uses less digits than its factorization.

28854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 241 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 28854 is about 169.8646520027. The cubic root of 28854 is about 30.6715230704.

The spelling of 28854 in words is "twenty-eight thousand, eight hundred fifty-four".