28823168 has 48 divisors (see below), whose sum is σ = 63149730. Its totient is φ = 13094400.

The previous prime is 28823153. The next prime is 28823189. The reversal of 28823168 is 86132882.

It can be written as a sum of positive squares in only one way, i.e., 28815424 + 7744 = 5368^2 + 88^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 14558 + ... + 16418.

Almost surely, 2^28823168 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 28823168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31574865).

28823168 is an abundant number, since it is smaller than the sum of its proper divisors (34326562).

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

28823168 is a wasteful number, since it uses less digits than its factorization.

28823168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1874 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 28823168 is about 5368.7212630197. The cubic root of 28823168 is about 306.6059447092.

The spelling of 28823168 in words is "twenty-eight million, eight hundred twenty-three thousand, one hundred sixty-eight".