848909 has 2 divisors, whose sum is σ = 848910. Its totient is φ = 848908.

The previous prime is 848893. The next prime is 848921. The reversal of 848909 is 909848.

848909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426409 + 422500 = 653^2 + 650^2 .

It is a cyclic number.

It is not a de Polignac number, because 848909 - 2⁴ = 848893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (848959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424454 + 424455.

It is an arithmetic number, because the mean of its divisors is an integer number (424455).

2⁸⁴⁸⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

848909 is a deficient number, since it is larger than the sum of its proper divisors (1).

848909 is an equidigital number, since it uses as much as digits as its factorization.

848909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 848909 is about 921.3625779247. The cubic root of 848909 is about 94.6862781451.

The spelling of 848909 in words is "eight hundred forty-eight thousand, nine hundred nine".