848400841 has 2 divisors, whose sum is σ = 848400842. Its totient is φ = 848400840.

The previous prime is 848400811. The next prime is 848400853. The reversal of 848400841 is 148004848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 823690000 + 24710841 = 28700^2 + 4971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-848400841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 848400841.

It is not a weakly prime, because it can be changed into another prime (848400811) 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, 424200420 + 424200421.

It is an arithmetic number, because the mean of its divisors is an integer number (424200421).

Almost surely, 2^848400841 is an apocalyptic number.

It is an amenable number.

848400841 is a deficient number, since it is larger than the sum of its proper divisors (1).

848400841 is an equidigital number, since it uses as much as digits as its factorization.

848400841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32768, while the sum is 37.

The square root of 848400841 is about 29127.3212122227. The cubic root of 848400841 is about 946.6738122821.

The spelling of 848400841 in words is "eight hundred forty-eight million, four hundred thousand, eight hundred forty-one".