28098041 has 2 divisors, whose sum is σ = 28098042. Its totient is φ = 28098040.

The previous prime is 28098023. The next prime is 28098047. The reversal of 28098041 is 14089082.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20286016 + 7812025 = 4504^2 + 2795^2 .

It is a cyclic number.

It is not a de Polignac number, because 28098041 - 2⁶ = 28097977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28097989 and 28098007.

It is not a weakly prime, because it can be changed into another prime (28098047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14049020 + 14049021.

It is an arithmetic number, because the mean of its divisors is an integer number (14049021).

Almost surely, 2^28098041 is an apocalyptic number.

It is an amenable number.

28098041 is a deficient number, since it is larger than the sum of its proper divisors (1).

28098041 is an equidigital number, since it uses as much as digits as its factorization.

28098041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 28098041 is about 5300.7585306256. The cubic root of 28098041 is about 304.0129012588.

The spelling of 28098041 in words is "twenty-eight million, ninety-eight thousand, forty-one".