28869303 has 8 divisors (see below), whose sum is σ = 40518400. Its totient is φ = 18233208.

The previous prime is 28869293. The next prime is 28869307. The reversal of 28869303 is 30396882.

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

It is not a de Polignac number, because 28869303 - 2⁵ = 28869271 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 (28869307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253183 + ... + 253296.

It is an arithmetic number, because the mean of its divisors is an integer number (5064800).

Almost surely, 2^28869303 is an apocalyptic number.

28869303 is a deficient number, since it is larger than the sum of its proper divisors (11649097).

28869303 is a wasteful number, since it uses less digits than its factorization.

28869303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506501.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 28869303 is about 5373.0161920471. The cubic root of 28869303 is about 306.7694442580.

The spelling of 28869303 in words is "twenty-eight million, eight hundred sixty-nine thousand, three hundred three".