848741921 has 2 divisors, whose sum is σ = 848741922. Its totient is φ = 848741920.

The previous prime is 848741917. The next prime is 848741953. The reversal of 848741921 is 129147848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 673973521 + 174768400 = 25961^2 + 13220^2 .

It is a cyclic number.

It is not a de Polignac number, because 848741921 - 2² = 848741917 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (848701921) 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, 424370960 + 424370961.

It is an arithmetic number, because the mean of its divisors is an integer number (424370961).

Almost surely, 2^848741921 is an apocalyptic number.

It is an amenable number.

848741921 is a deficient number, since it is larger than the sum of its proper divisors (1).

848741921 is an equidigital number, since it uses as much as digits as its factorization.

848741921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 44.

The square root of 848741921 is about 29133.1756078873. The cubic root of 848741921 is about 946.8006580794.

The spelling of 848741921 in words is "eight hundred forty-eight million, seven hundred forty-one thousand, nine hundred twenty-one".