28934 has 16 divisors (see below), whose sum is σ = 49248. Its totient is φ = 12672.

The previous prime is 28933. The next prime is 28949. The reversal of 28934 is 43982.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28933) 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, 764 + ... + 800.

It is an arithmetic number, because the mean of its divisors is an integer number (3078).

2²⁸⁹³⁴ is an apocalyptic number.

28934 is a deficient number, since it is larger than the sum of its proper divisors (20314).

28934 is a wasteful number, since it uses less digits than its factorization.

28934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79.

The product of its digits is 1728, while the sum is 26.

The square root of 28934 is about 170.0999706055. The cubic root of 28934 is about 30.6998433220.

It can be divided in two parts, 289 and 34, that added together give a palindrome (323).

The spelling of 28934 in words is "twenty-eight thousand, nine hundred thirty-four".