9000841 has 2 divisors, whose sum is σ = 9000842. Its totient is φ = 9000840.

The previous prime is 9000839. The next prime is 9000877. The reversal of 9000841 is 1480009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 841 = 3000^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 9000841 - 2¹ = 9000839 is a prime.

Together with 9000839, it forms a pair of twin primes.

9000841 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9000821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4500420 + 4500421.

It is an arithmetic number, because the mean of its divisors is an integer number (4500421).

Almost surely, 2^9000841 is an apocalyptic number.

It is an amenable number.

9000841 is a deficient number, since it is larger than the sum of its proper divisors (1).

9000841 is an equidigital number, since it uses as much as digits as its factorization.

9000841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 9000841 is about 3000.1401633924. The cubic root of 9000841 is about 208.0148611793.

The spelling of 9000841 in words is "nine million, eight hundred forty-one", and thus it is an aban number.