28828583 has 8 divisors (see below), whose sum is σ = 34885152. Its totient is φ = 23256576.

The previous prime is 28828577. The next prime is 28828609. The reversal of 28828583 is 38582882.

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

It is not a de Polignac number, because 28828583 - 2⁶ = 28828519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28828483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121010 + ... + 121247.

It is an arithmetic number, because the mean of its divisors is an integer number (4360644).

Almost surely, 2^28828583 is an apocalyptic number.

28828583 is a deficient number, since it is larger than the sum of its proper divisors (6056569).

28828583 is a wasteful number, since it uses less digits than its factorization.

28828583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242281.

The product of its digits is 245760, while the sum is 44.

The square root of 28828583 is about 5369.2255493693. The cubic root of 28828583 is about 306.6251441628.

The spelling of 28828583 in words is "twenty-eight million, eight hundred twenty-eight thousand, five hundred eighty-three".