28159152 has 80 divisors (see below), whose sum is σ = 85113600. Its totient is φ = 7854336.

The previous prime is 28159151. The next prime is 28159171. The reversal of 28159152 is 25195182.

It is not an unprimeable number, because it can be changed into a prime (28159151) 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 15 ways as a sum of consecutive naturals, for example, 13474 + ... + 15422.

It is an arithmetic number, because the mean of its divisors is an integer number (1063920).

Almost surely, 2^28159152 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 28159152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42556800).

28159152 is an abundant number, since it is smaller than the sum of its proper divisors (56954448).

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

28159152 is a wasteful number, since it uses less digits than its factorization.

28159152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010 (or 2004 counting only the distinct ones).

The product of its digits is 7200, while the sum is 33.

The square root of 28159152 is about 5306.5197634608. The cubic root of 28159152 is about 304.2331429442.

The spelling of 28159152 in words is "twenty-eight million, one hundred fifty-nine thousand, one hundred fifty-two".