8845409 has 8 divisors (see below), whose sum is σ = 9260160. Its totient is φ = 8449188.

The previous prime is 8845399. The next prime is 8845451. The reversal of 8845409 is 9045488.

It is not a de Polignac number, because 8845409 - 2¹⁶ = 8779873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8847409) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 11804 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (1157520).

Almost surely, 2^8845409 is an apocalyptic number.

It is an amenable number.

8845409 is a deficient number, since it is larger than the sum of its proper divisors (414751).

8845409 is an frugal number, since it uses more digits than its factorization.

8845409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 8845409 is about 2974.1232321476. The cubic root of 8845409 is about 206.8105262099.

The spelling of 8845409 in words is "eight million, eight hundred forty-five thousand, four hundred nine".