8964889 has 2 divisors, whose sum is σ = 8964890. Its totient is φ = 8964888.

The previous prime is 8964887. The next prime is 8964919. The reversal of 8964889 is 9884698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5290000 + 3674889 = 2300^2 + 1917^2 .

It is a cyclic number.

It is not a de Polignac number, because 8964889 - 2¹ = 8964887 is a prime.

Together with 8964887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8964887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4482444 + 4482445.

It is an arithmetic number, because the mean of its divisors is an integer number (4482445).

Almost surely, 2^8964889 is an apocalyptic number.

It is an amenable number.

8964889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8964889 is an equidigital number, since it uses as much as digits as its factorization.

8964889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 52.

The square root of 8964889 is about 2994.1424481811. The cubic root of 8964889 is about 207.7375341451.

The spelling of 8964889 in words is "eight million, nine hundred sixty-four thousand, eight hundred eighty-nine".