28841088 has 128 divisors (see below), whose sum is σ = 83232000. Its totient is φ = 8819712.

The previous prime is 28841077. The next prime is 28841119. The reversal of 28841088 is 88014882.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430431 + ... + 430497.

It is an arithmetic number, because the mean of its divisors is an integer number (650250).

Almost surely, 2^28841088 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 28841088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41616000).

28841088 is an abundant number, since it is smaller than the sum of its proper divisors (54390912).

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

28841088 is a wasteful number, since it uses less digits than its factorization.

28841088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 39.

The square root of 28841088 is about 5370.3899299772. The cubic root of 28841088 is about 306.6694727742.

The spelling of 28841088 in words is "twenty-eight million, eight hundred forty-one thousand, eighty-eight".