28668096 has 84 divisors (see below), whose sum is σ = 83448144. Its totient is φ = 9408000.

The previous prime is 28668083. The next prime is 28668113. The reversal of 28668096 is 69086682.

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 11 ways as a sum of consecutive naturals, for example, 40546 + ... + 41246.

Almost surely, 2^28668096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28668096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41724072).

28668096 is an abundant number, since it is smaller than the sum of its proper divisors (54780048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28668096 is a wasteful number, since it uses less digits than its factorization.

28668096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 28668096 is about 5354.2596126822. The cubic root of 28668096 is about 306.0550970890.

It can be divided in two parts, 2866809 and 6, that added together give a triangular number (2866815 = T₂₃₉₄).

The spelling of 28668096 in words is "twenty-eight million, six hundred sixty-eight thousand, ninety-six".