27348889 has 4 divisors (see below), whose sum is σ = 27359524. Its totient is φ = 27338256.

The previous prime is 27348829. The next prime is 27348949. The reversal of 27348889 is 98884372.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (27348829) and next prime (27348949).

It can be written as a sum of positive squares in 2 ways, for example, as 27123264 + 225625 = 5208^2 + 475^2 .

It is a cyclic number.

It is not a de Polignac number, because 27348889 - 2¹¹ = 27346841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27348829) 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 3 ways as a sum of consecutive naturals, for example, 1219 + ... + 7495.

It is an arithmetic number, because the mean of its divisors is an integer number (6839881).

Almost surely, 2^27348889 is an apocalyptic number.

It is an amenable number.

27348889 is a deficient number, since it is larger than the sum of its proper divisors (10635).

27348889 is an equidigital number, since it uses as much as digits as its factorization.

27348889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10634.

The product of its digits is 774144, while the sum is 49.

The square root of 27348889 is about 5229.6165251383. The cubic root of 27348889 is about 301.2866553194.

The spelling of 27348889 in words is "twenty-seven million, three hundred forty-eight thousand, eight hundred eighty-nine".