28793 has 2 divisors, whose sum is σ = 28794. Its totient is φ = 28792.

The previous prime is 28789. The next prime is 28807. The reversal of 28793 is 39782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21904 + 6889 = 148^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 28793 - 2² = 28789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (28703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14396 + 14397.

It is an arithmetic number, because the mean of its divisors is an integer number (14397).

2²⁸⁷⁹³ is an apocalyptic number.

It is an amenable number.

28793 is a deficient number, since it is larger than the sum of its proper divisors (1).

28793 is an equidigital number, since it uses as much as digits as its factorization.

28793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 28793 is about 169.6850022836. The cubic root of 28793 is about 30.6498936843.

It can be divided in two parts, 2879 and 3, that added together give a palindrome (2882).

The spelling of 28793 in words is "twenty-eight thousand, seven hundred ninety-three".