28895 has 4 divisors (see below), whose sum is σ = 34680. Its totient is φ = 23112.

The previous prime is 28879. The next prime is 28901. The reversal of 28895 is 59882.

28895 = T₁₀₅ + T₁₀₆ + ... + T₁₀₉.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28895 - 2⁴ = 28879 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2885 + ... + 2894.

It is an arithmetic number, because the mean of its divisors is an integer number (8670).

2²⁸⁸⁹⁵ is an apocalyptic number.

28895 is a deficient number, since it is larger than the sum of its proper divisors (5785).

28895 is an equidigital number, since it uses as much as digits as its factorization.

28895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784.

The product of its digits is 5760, while the sum is 32.

The square root of 28895 is about 169.9852934815. The cubic root of 28895 is about 30.6860437295.

It can be divided in two parts, 288 and 95, that added together give a palindrome (383).

The spelling of 28895 in words is "twenty-eight thousand, eight hundred ninety-five".