28282560 has 112 divisors (see below), whose sum is σ = 95134176. Its totient is φ = 7094272.

The previous prime is 28282547. The next prime is 28282567. The reversal of 28282560 is 6528282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28282567) 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, 15454 + ... + 17186.

Almost surely, 2^28282560 is an apocalyptic number.

28282560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28282560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47567088).

28282560 is an abundant number, since it is smaller than the sum of its proper divisors (66851616).

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

28282560 is a wasteful number, since it uses less digits than its factorization.

28282560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770 (or 1760 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 28282560 is about 5318.1350114490. The cubic root of 28282560 is about 304.6769310469.

The spelling of 28282560 in words is "twenty-eight million, two hundred eighty-two thousand, five hundred sixty".