8924409 has 24 divisors (see below), whose sum is σ = 14064960. Its totient is φ = 5419872.

The previous prime is 8924389. The next prime is 8924411. The reversal of 8924409 is 9044298.

It is a happy number.

It is not a de Polignac number, because 8924409 - 2⁹ = 8923897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8924449) 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 23 ways as a sum of consecutive naturals, for example, 9252 + ... + 10170.

It is an arithmetic number, because the mean of its divisors is an integer number (586040).

Almost surely, 2^8924409 is an apocalyptic number.

It is an amenable number.

8924409 is a deficient number, since it is larger than the sum of its proper divisors (5140551).

8924409 is a wasteful number, since it uses less digits than its factorization.

8924409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 8924409 is about 2987.3749346207. The cubic root of 8924409 is about 207.4243901229.

The spelling of 8924409 in words is "eight million, nine hundred twenty-four thousand, four hundred nine".