28994 has 16 divisors (see below), whose sum is σ = 52800. Its totient is φ = 11664.

The previous prime is 28979. The next prime is 29009. The reversal of 28994 is 49982.

It is an interprime number because it is at equal distance from previous prime (28979) and next prime (29009).

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 28994.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 28994.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212 + ... + 320.

It is an arithmetic number, because the mean of its divisors is an integer number (3300).

2²⁸⁹⁹⁴ is an apocalyptic number.

28994 is a deficient number, since it is larger than the sum of its proper divisors (23806).

28994 is a wasteful number, since it uses less digits than its factorization.

28994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137.

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

The square root of 28994 is about 170.2762461414. The cubic root of 28994 is about 30.7210492715.

It can be divided in two parts, 289 and 94, that added together give a palindrome (383).

The spelling of 28994 in words is "twenty-eight thousand, nine hundred ninety-four".