28589118 has 8 divisors (see below), whose sum is σ = 57178248. Its totient is φ = 9529704.

The previous prime is 28589111. The next prime is 28589147. The reversal of 28589118 is 81198582.

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

28589118 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 28589118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28589111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2382421 + ... + 2382432.

It is an arithmetic number, because the mean of its divisors is an integer number (7147281).

Almost surely, 2^28589118 is an apocalyptic number.

28589118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28589118 is a wasteful number, since it uses less digits than its factorization.

28589118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764858.

The product of its digits is 46080, while the sum is 42.

The square root of 28589118 is about 5346.8792767370. The cubic root of 28589118 is about 305.7737872738.

The spelling of 28589118 in words is "twenty-eight million, five hundred eighty-nine thousand, one hundred eighteen".