28106 has 16 divisors (see below), whose sum is σ = 48384. Its totient is φ = 12144.

The previous prime is 28099. The next prime is 28109. The reversal of 28106 is 60182.

It is a nialpdrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 28106.

It is not an unprimeable number, because it can be changed into a prime (28109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575 + ... + 621.

It is an arithmetic number, because the mean of its divisors is an integer number (3024).

2²⁸¹⁰⁶ is an apocalyptic number.

28106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28106 is a deficient number, since it is larger than the sum of its proper divisors (20278).

28106 is a wasteful number, since it uses less digits than its factorization.

28106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 28106 is about 167.6484416868. The cubic root of 28106 is about 30.4041603263.

Adding to 28106 its reverse (60182), we get a palindrome (88288).

The spelling of 28106 in words is "twenty-eight thousand, one hundred six".