27855296 has 56 divisors (see below), whose sum is σ = 63922656. Its totient is φ = 11796480.

The previous prime is 27855293. The next prime is 27855301. The reversal of 27855296 is 69255872.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27855293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43136 + ... + 43776.

It is an arithmetic number, because the mean of its divisors is an integer number (1141476).

Almost surely, 2^27855296 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 27855296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31961328).

27855296 is an abundant number, since it is smaller than the sum of its proper divisors (36067360).

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

27855296 is an equidigital number, since it uses as much as digits as its factorization.

27855296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 747 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 27855296 is about 5277.8116677274. The cubic root of 27855296 is about 303.1348903989.

The spelling of 27855296 in words is "twenty-seven million, eight hundred fifty-five thousand, two hundred ninety-six".