28995 has 8 divisors (see below), whose sum is σ = 46416. Its totient is φ = 15456.

The previous prime is 28979. The next prime is 29009. The reversal of 28995 is 59982.

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

It is not a de Polignac number, because 28995 - 2⁴ = 28979 is a prime.

28995 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952 + ... + 981.

It is an arithmetic number, because the mean of its divisors is an integer number (5802).

2²⁸⁹⁹⁵ is an apocalyptic number.

28995 is a deficient number, since it is larger than the sum of its proper divisors (17421).

28995 is a wasteful number, since it uses less digits than its factorization.

28995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941.

The product of its digits is 6480, while the sum is 33.

The square root of 28995 is about 170.2791825209. The cubic root of 28995 is about 30.7214024560.

The spelling of 28995 in words is "twenty-eight thousand, nine hundred ninety-five".