27804841 has 2 divisors, whose sum is σ = 27804842. Its totient is φ = 27804840.

The previous prime is 27804817. The next prime is 27804851. The reversal of 27804841 is 14840872.

27804841 is nontrivially palindromic in base 4.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27342441 + 462400 = 5229^2 + 680^2 .

It is a cyclic number.

It is not a de Polignac number, because 27804841 - 2¹⁷ = 27673769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27804797 and 27804806.

It is not a weakly prime, because it can be changed into another prime (27804811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13902420 + 13902421.

It is an arithmetic number, because the mean of its divisors is an integer number (13902421).

Almost surely, 2^27804841 is an apocalyptic number.

It is an amenable number.

27804841 is a deficient number, since it is larger than the sum of its proper divisors (1).

27804841 is an equidigital number, since it uses as much as digits as its factorization.

27804841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 27804841 is about 5273.0295845937. The cubic root of 27804841 is about 302.9517544914.

The spelling of 27804841 in words is "twenty-seven million, eight hundred four thousand, eight hundred forty-one".