9408889 has 4 divisors (see below), whose sum is σ = 10753024. Its totient is φ = 8064756.

The previous prime is 9408887. The next prime is 9408913. The reversal of 9408889 is 9888049.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9888049 = 577 ⋅17137.

It is not a de Polignac number, because 9408889 - 2¹ = 9408887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9408887) 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 3 ways as a sum of consecutive naturals, for example, 672057 + ... + 672070.

It is an arithmetic number, because the mean of its divisors is an integer number (2688256).

Almost surely, 2^9408889 is an apocalyptic number.

It is an amenable number.

9408889 is a deficient number, since it is larger than the sum of its proper divisors (1344135).

9408889 is a wasteful number, since it uses less digits than its factorization.

9408889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344134.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 9408889 is about 3067.3912368656. The cubic root of 9408889 is about 211.1119327043. Note that the first 3 decimals are identical.

The spelling of 9408889 in words is "nine million, four hundred eight thousand, eight hundred eighty-nine".