8979889 has 2 divisors, whose sum is σ = 8979890. Its totient is φ = 8979888.

The previous prime is 8979881. The next prime is 8979907. The reversal of 8979889 is 9889798.

8979889 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., 8363664 + 616225 = 2892^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 8979889 - 2³ = 8979881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8979881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4489944 + 4489945.

It is an arithmetic number, because the mean of its divisors is an integer number (4489945).

Almost surely, 2^8979889 is an apocalyptic number.

It is an amenable number.

8979889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8979889 is an equidigital number, since it uses as much as digits as its factorization.

8979889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 58.

The square root of 8979889 is about 2996.6462921072. The cubic root of 8979889 is about 207.8533313290.

Subtracting 8979889 from its reverse (9889798), we obtain a palindrome (909909).

The spelling of 8979889 in words is "eight million, nine hundred seventy-nine thousand, eight hundred eighty-nine".