8809144 has 8 divisors (see below), whose sum is σ = 16517160. Its totient is φ = 4404568.

The previous prime is 8809139. The next prime is 8809153. The reversal of 8809144 is 4419088.

8809144 is nontrivially palindromic in base 7.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550564 + ... + 550579.

It is an arithmetic number, because the mean of its divisors is an integer number (2064645).

Almost surely, 2^8809144 is an apocalyptic number.

It is an amenable number.

8809144 is a deficient number, since it is larger than the sum of its proper divisors (7708016).

8809144 is a wasteful number, since it uses less digits than its factorization.

8809144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101149 (or 1101145 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 8809144 is about 2968.0202155646. The cubic root of 8809144 is about 206.5275071964.

The spelling of 8809144 in words is "eight million, eight hundred nine thousand, one hundred forty-four".