8919089 has 4 divisors (see below), whose sum is σ = 9070320. Its totient is φ = 8767860.

The previous prime is 8919077. The next prime is 8919121. The reversal of 8919089 is 9809198.

8919089 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8919089 - 2⁴ = 8919073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8919019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75527 + ... + 75644.

It is an arithmetic number, because the mean of its divisors is an integer number (2267580).

Almost surely, 2^8919089 is an apocalyptic number.

It is an amenable number.

8919089 is a deficient number, since it is larger than the sum of its proper divisors (151231).

8919089 is a wasteful number, since it uses less digits than its factorization.

8919089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151230.

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

The square root of 8919089 is about 2986.4843880389. The cubic root of 8919089 is about 207.3831654659.

The spelling of 8919089 in words is "eight million, nine hundred nineteen thousand, eighty-nine".