8981867 has 2 divisors, whose sum is σ = 8981868. Its totient is φ = 8981866.

The previous prime is 8981839. The next prime is 8981873. The reversal of 8981867 is 7681898.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8981867 - 2⁸ = 8981611 is a prime.

It is not a weakly prime, because it can be changed into another prime (8981807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4490933 + 4490934.

It is an arithmetic number, because the mean of its divisors is an integer number (4490934).

Almost surely, 2^8981867 is an apocalyptic number.

8981867 is a deficient number, since it is larger than the sum of its proper divisors (1).

8981867 is an equidigital number, since it uses as much as digits as its factorization.

8981867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 47.

The square root of 8981867 is about 2996.9763095493. The cubic root of 8981867 is about 207.8685914919.

The spelling of 8981867 in words is "eight million, nine hundred eighty-one thousand, eight hundred sixty-seven".