28114 has 4 divisors (see below), whose sum is σ = 42174. Its totient is φ = 14056.

The previous prime is 28111. The next prime is 28123. The reversal of 28114 is 41182.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27889 + 225 = 167^2 + 15^2 .

It is not an unprimeable number, because it can be changed into a prime (28111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7027 + ... + 7030.

2²⁸¹¹⁴ is an apocalyptic number.

28114 is a deficient number, since it is larger than the sum of its proper divisors (14060).

28114 is a wasteful number, since it uses less digits than its factorization.

28114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14059.

The product of its digits is 64, while the sum is 16.

The square root of 28114 is about 167.6722994415. The cubic root of 28114 is about 30.4070447662.

Adding to 28114 its reverse (41182), we get a palindrome (69296).

The spelling of 28114 in words is "twenty-eight thousand, one hundred fourteen".