28914 has 16 divisors (see below), whose sum is σ = 59520. Its totient is φ = 9360.
The previous prime is 28909. The next prime is 28921. The reversal of 28914 is 41982.
It is a Curzon number.
It is a nialpdrome in base 14.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327 + ... + 405.
It is an arithmetic number, because the mean of its divisors is an integer number (3720).
228914 is an apocalyptic number.
28914 is an abundant number, since it is smaller than the sum of its proper divisors (30606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29760).
28914 is a wasteful number, since it uses less digits than its factorization.
28914 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145.
The product of its digits is 576, while the sum is 24.
The square root of 28914 is about 170.0411714850. The cubic root of 28914 is about 30.6927681580.
It can be divided in two parts, 289 and 14, that added together give a palindrome (303).
The spelling of 28914 in words is "twenty-eight thousand, nine hundred fourteen".
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