28835863 has 24 divisors (see below), whose sum is σ = 36115200. Its totient is φ = 22882608.

The previous prime is 28835861. The next prime is 28835867. The reversal of 28835863 is 36853882.

It is not a de Polignac number, because 28835863 - 2¹ = 28835861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28835861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43428 + ... + 44086.

It is an arithmetic number, because the mean of its divisors is an integer number (1504800).

Almost surely, 2^28835863 is an apocalyptic number.

28835863 is a deficient number, since it is larger than the sum of its proper divisors (7279337).

28835863 is a wasteful number, since it uses less digits than its factorization.

28835863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 732 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 28835863 is about 5369.9034441971. The cubic root of 28835863 is about 306.6509523821.

The spelling of 28835863 in words is "twenty-eight million, eight hundred thirty-five thousand, eight hundred sixty-three".