28836105 has 8 divisors (see below), whose sum is σ = 46137792. Its totient is φ = 15379248.

The previous prime is 28836083. The next prime is 28836139. The reversal of 28836105 is 50163882.

It is a happy number.

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

It is not a de Polignac number, because 28836105 - 2⁹ = 28835593 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 961189 + ... + 961218.

It is an arithmetic number, because the mean of its divisors is an integer number (5767224).

Almost surely, 2^28836105 is an apocalyptic number.

It is an amenable number.

28836105 is a deficient number, since it is larger than the sum of its proper divisors (17301687).

28836105 is a wasteful number, since it uses less digits than its factorization.

28836105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922415.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 28836105 is about 5369.9259771434. The cubic root of 28836105 is about 306.6518102181.

Adding to 28836105 its reverse (50163882), we get a palindrome (78999987).

The spelling of 28836105 in words is "twenty-eight million, eight hundred thirty-six thousand, one hundred five".