8808991 has 4 divisors (see below), whose sum is σ = 9093184. Its totient is φ = 8524800.

The previous prime is 8808967. The next prime is 8809001. The reversal of 8808991 is 1998088.

8808991 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 8808991 - 2¹⁵ = 8776223 is a prime.

It is a Duffinian number.

8808991 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8808901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142050 + ... + 142111.

It is an arithmetic number, because the mean of its divisors is an integer number (2273296).

Almost surely, 2^8808991 is an apocalyptic number.

8808991 is a deficient number, since it is larger than the sum of its proper divisors (284193).

8808991 is a wasteful number, since it uses less digits than its factorization.

8808991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284192.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 8808991 is about 2967.9944406956. The cubic root of 8808991 is about 206.5263115111.

The spelling of 8808991 in words is "eight million, eight hundred eight thousand, nine hundred ninety-one".