28094560 has 72 divisors (see below), whose sum is σ = 71940960. Its totient is φ = 10363392.

The previous prime is 28094551. The next prime is 28094603. The reversal of 28094560 is 6549082.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26521 + ... + 27559.

It is an arithmetic number, because the mean of its divisors is an integer number (999180).

Almost surely, 2^28094560 is an apocalyptic number.

28094560 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 28094560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35970480).

28094560 is an abundant number, since it is smaller than the sum of its proper divisors (43846400).

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

28094560 is a wasteful number, since it uses less digits than its factorization.

28094560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 28094560 is about 5300.4301712220. The cubic root of 28094560 is about 304.0003462600. Note that the first 3 decimals are identical.

The spelling of 28094560 in words is "twenty-eight million, ninety-four thousand, five hundred sixty".