28088082 has 48 divisors (see below), whose sum is σ = 66972672. Its totient is φ = 8436960.

The previous prime is 28088059. The next prime is 28088087.

28088082 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (28088087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24588 + ... + 25704.

It is an arithmetic number, because the mean of its divisors is an integer number (1395264).

Almost surely, 2^28088082 is an apocalyptic number.

28088082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 28088082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33486336).

28088082 is an abundant number, since it is smaller than the sum of its proper divisors (38884590).

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

28088082 is a wasteful number, since it uses less digits than its factorization.

28088082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1260 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 28088082 is about 5299.8190535149. The cubic root of 28088082 is about 303.9769791547.

The spelling of 28088082 in words is "twenty-eight million, eighty-eight thousand, eighty-two".