28795 has 8 divisors (see below), whose sum is σ = 37296. Its totient is φ = 21216.

The previous prime is 28793. The next prime is 28807. The reversal of 28795 is 59782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28795 - 2¹ = 28793 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28793) 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, 157 + ... + 286.

It is an arithmetic number, because the mean of its divisors is an integer number (4662).

2²⁸⁷⁹⁵ is an apocalyptic number.

28795 is a deficient number, since it is larger than the sum of its proper divisors (8501).

28795 is a wasteful number, since it uses less digits than its factorization.

28795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its digits is 5040, while the sum is 31.

The square root of 28795 is about 169.6908954541. The cubic root of 28795 is about 30.6506033287.

The spelling of 28795 in words is "twenty-eight thousand, seven hundred ninety-five".