28950 has 24 divisors (see below), whose sum is σ = 72168. Its totient is φ = 7680.

The previous prime is 28949. The next prime is 28961. The reversal of 28950 is 5982.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28950.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 54 + ... + 246.

It is an arithmetic number, because the mean of its divisors is an integer number (3007).

2²⁸⁹⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36084).

28950 is an abundant number, since it is smaller than the sum of its proper divisors (43218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28950 is a wasteful number, since it uses less digits than its factorization.

28950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 28950 is about 170.1469952717. The cubic root of 28950 is about 30.7055011062.

The spelling of 28950 in words is "twenty-eight thousand, nine hundred fifty".