8868809 has 4 divisors (see below), whose sum is σ = 9174660. Its totient is φ = 8562960.

The previous prime is 8868803. The next prime is 8868841. The reversal of 8868809 is 9088688.

8868809 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1729225 + 7139584 = 1315^2 + 2672^2 .

It is a cyclic number.

It is not a de Polignac number, because 8868809 - 2⁸ = 8868553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8868803) 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, 152882 + ... + 152939.

It is an arithmetic number, because the mean of its divisors is an integer number (2293665).

Almost surely, 2^8868809 is an apocalyptic number.

It is an amenable number.

8868809 is a deficient number, since it is larger than the sum of its proper divisors (305851).

8868809 is a wasteful number, since it uses less digits than its factorization.

8868809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305850.

The product of its (nonzero) digits is 221184, while the sum is 47.

The square root of 8868809 is about 2978.0545663235. The cubic root of 8868809 is about 206.9927339200.

The spelling of 8868809 in words is "eight million, eight hundred sixty-eight thousand, eight hundred nine".