28141568 has 96 divisors (see below), whose sum is σ = 69713280. Its totient is φ = 11059200.

The previous prime is 28141559. The next prime is 28141577. The reversal of 28141568 is 86514182.

It is an interprime number because it is at equal distance from previous prime (28141559) and next prime (28141577).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186293 + ... + 186443.

It is an arithmetic number, because the mean of its divisors is an integer number (726180).

Almost surely, 2^28141568 is an apocalyptic number.

28141568 is a gapful number since it is divisible by the number (28) 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 28141568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34856640).

28141568 is an abundant number, since it is smaller than the sum of its proper divisors (41571712).

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

28141568 is a wasteful number, since it uses less digits than its factorization.

28141568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 173 counting only the distinct ones).

The product of its digits is 15360, while the sum is 35.

The square root of 28141568 is about 5304.8626749427. The cubic root of 28141568 is about 304.1698035664.

The spelling of 28141568 in words is "twenty-eight million, one hundred forty-one thousand, five hundred sixty-eight".