8869809 has 8 divisors (see below), whose sum is σ = 12736192. Its totient is φ = 5458320.

The previous prime is 8869799. The next prime is 8869837. The reversal of 8869809 is 9089688.

8869809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8869809 - 2⁷ = 8869681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8869859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113677 + ... + 113754.

It is an arithmetic number, because the mean of its divisors is an integer number (1592024).

Almost surely, 2^8869809 is an apocalyptic number.

It is an amenable number.

8869809 is a deficient number, since it is larger than the sum of its proper divisors (3866383).

8869809 is a wasteful number, since it uses less digits than its factorization.

8869809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227447.

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 8869809 is about 2978.2224564327. Note that the first 3 decimals coincide. The cubic root of 8869809 is about 207.0005134296. Note that the first 3 decimals are identical.

The spelling of 8869809 in words is "eight million, eight hundred sixty-nine thousand, eight hundred nine".