8648881 has 2 divisors, whose sum is σ = 8648882. Its totient is φ = 8648880.

The previous prime is 8648879. The next prime is 8648921. The reversal of 8648881 is 1888468.

8648881 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8071281 + 577600 = 2841^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 8648881 - 2¹ = 8648879 is a prime.

It is a super-2 number, since 2×8648881² = 149606285104322, which contains 22 as substring.

Together with 8648879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8648831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4324440 + 4324441.

It is an arithmetic number, because the mean of its divisors is an integer number (4324441).

Almost surely, 2^8648881 is an apocalyptic number.

It is an amenable number.

8648881 is a deficient number, since it is larger than the sum of its proper divisors (1).

8648881 is an equidigital number, since it uses as much as digits as its factorization.

8648881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98304, while the sum is 43.

The square root of 8648881 is about 2940.8979921106. The cubic root of 8648881 is about 205.2673964533.

The spelling of 8648881 in words is "eight million, six hundred forty-eight thousand, eight hundred eighty-one".