8809919 has 2 divisors, whose sum is σ = 8809920. Its totient is φ = 8809918.

The previous prime is 8809903. The next prime is 8809937. The reversal of 8809919 is 9199088.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8809919 - 2⁴ = 8809903 is a prime.

It is a super-2 number, since 2×8809919² = 155229345573122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8809919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8809949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4404959 + 4404960.

It is an arithmetic number, because the mean of its divisors is an integer number (4404960).

Almost surely, 2^8809919 is an apocalyptic number.

8809919 is a deficient number, since it is larger than the sum of its proper divisors (1).

8809919 is an equidigital number, since it uses as much as digits as its factorization.

8809919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 44.

The square root of 8809919 is about 2968.1507711031. The cubic root of 8809919 is about 206.5335635595.

The spelling of 8809919 in words is "eight million, eight hundred nine thousand, nine hundred nineteen".