27489841 has 2 divisors, whose sum is σ = 27489842. Its totient is φ = 27489840.

The previous prime is 27489823. The next prime is 27489859. The reversal of 27489841 is 14898472.

It is a balanced prime because it is at equal distance from previous prime (27489823) and next prime (27489859).

It can be written as a sum of positive squares in only one way, i.e., 21344400 + 6145441 = 4620^2 + 2479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27489841 is a prime.

It is not a weakly prime, because it can be changed into another prime (27489821) 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 as a sum of consecutive naturals, namely, 13744920 + 13744921.

It is an arithmetic number, because the mean of its divisors is an integer number (13744921).

Almost surely, 2^27489841 is an apocalyptic number.

It is an amenable number.

27489841 is a deficient number, since it is larger than the sum of its proper divisors (1).

27489841 is an equidigital number, since it uses as much as digits as its factorization.

27489841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 43.

The square root of 27489841 is about 5243.0755287331. The cubic root of 27489841 is about 301.8033638013.

The spelling of 27489841 in words is "twenty-seven million, four hundred eighty-nine thousand, eight hundred forty-one".