848398561 has 2 divisors, whose sum is σ = 848398562. Its totient is φ = 848398560.

The previous prime is 848398543. The next prime is 848398597. The reversal of 848398561 is 165893848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 814246225 + 34152336 = 28535^2 + 5844^2 .

It is a cyclic number.

It is not a de Polignac number, because 848398561 - 2²³ = 840009953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 848398499 and 848398508.

It is not a weakly prime, because it can be changed into another prime (848398541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424199280 + 424199281.

It is an arithmetic number, because the mean of its divisors is an integer number (424199281).

Almost surely, 2^848398561 is an apocalyptic number.

It is an amenable number.

848398561 is a deficient number, since it is larger than the sum of its proper divisors (1).

848398561 is an equidigital number, since it uses as much as digits as its factorization.

848398561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 52.

The square root of 848398561 is about 29127.2820736848. The cubic root of 848398561 is about 946.6729642481.

The spelling of 848398561 in words is "eight hundred forty-eight million, three hundred ninety-eight thousand, five hundred sixty-one".