8366881 has 2 divisors, whose sum is σ = 8366882. Its totient is φ = 8366880.

The previous prime is 8366861. The next prime is 8366903. The reversal of 8366881 is 1886638.

8366881 is digitally balanced in base 3, because in such base 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., 7750656 + 616225 = 2784^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 8366881 - 2⁷ = 8366753 is a prime.

It is a super-2 number, since 2×8366881² = 140009395336322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8366851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4183440 + 4183441.

It is an arithmetic number, because the mean of its divisors is an integer number (4183441).

Almost surely, 2^8366881 is an apocalyptic number.

It is an amenable number.

8366881 is a deficient number, since it is larger than the sum of its proper divisors (1).

8366881 is an equidigital number, since it uses as much as digits as its factorization.

8366881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 40.

The square root of 8366881 is about 2892.5561360153. The cubic root of 8366881 is about 203.0117605035.

The spelling of 8366881 in words is "eight million, three hundred sixty-six thousand, eight hundred eighty-one".