9389872 has 20 divisors (see below), whose sum is σ = 18340096. Its totient is φ = 4656960.

The previous prime is 9389827. The next prime is 9389927. The reversal of 9389872 is 2789839.

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 in 3 ways as a sum of consecutive naturals, for example, 279 + ... + 4342.

Almost surely, 2^9389872 is an apocalyptic number.

It is an amenable number.

9389872 is a deficient number, since it is larger than the sum of its proper divisors (8950224).

9389872 is a wasteful number, since it uses less digits than its factorization.

9389872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756 (or 4750 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 9389872 is about 3064.2898035271. The cubic root of 9389872 is about 210.9696054689.

The spelling of 9389872 in words is "nine million, three hundred eighty-nine thousand, eight hundred seventy-two".