28499 has 2 divisors, whose sum is σ = 28500. Its totient is φ = 28498.

The previous prime is 28493. The next prime is 28513. The reversal of 28499 is 99482.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28499 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 12.

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 28499.

It is not a weakly prime, because it can be changed into another prime (28493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14249 + 14250.

It is an arithmetic number, because the mean of its divisors is an integer number (14250).

2²⁸⁴⁹⁹ is an apocalyptic number.

28499 is a deficient number, since it is larger than the sum of its proper divisors (1).

28499 is an equidigital number, since it uses as much as digits as its factorization.

28499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 28499 is about 168.8164683910. The cubic root of 28499 is about 30.5452164591.

It can be divided in two parts, 284 and 99, that added together give a palindrome (383).

The spelling of 28499 in words is "twenty-eight thousand, four hundred ninety-nine".