28873168 has 20 divisors (see below), whose sum is σ = 56290048. Its totient is φ = 14346720.

The previous prime is 28873151. The next prime is 28873189. The reversal of 28873168 is 86137882.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2928 + ... + 8143.

Almost surely, 2^28873168 is an apocalyptic number.

It is an amenable number.

28873168 is a deficient number, since it is larger than the sum of its proper divisors (27416880).

28873168 is a wasteful number, since it uses less digits than its factorization.

28873168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11242 (or 11236 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 28873168 is about 5373.3758476399. The cubic root of 28873168 is about 306.7831336659.

The spelling of 28873168 in words is "twenty-eight million, eight hundred seventy-three thousand, one hundred sixty-eight".