27908328 has 64 divisors (see below), whose sum is σ = 80156160. Its totient is φ = 7932096.

The previous prime is 27908311. The next prime is 27908329. The reversal of 27908328 is 82380972.

It is not an unprimeable number, because it can be changed into a prime (27908329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47251 + ... + 47837.

It is an arithmetic number, because the mean of its divisors is an integer number (1252440).

Almost surely, 2^27908328 is an apocalyptic number.

27908328 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 27908328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40078080).

27908328 is an abundant number, since it is smaller than the sum of its proper divisors (52247832).

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

27908328 is a wasteful number, since it uses less digits than its factorization.

27908328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 27908328 is about 5282.8333307043. The cubic root of 27908328 is about 303.3271417915.

The spelling of 27908328 in words is "twenty-seven million, nine hundred eight thousand, three hundred twenty-eight".