9389272 has 16 divisors (see below), whose sum is σ = 18212400. Its totient is φ = 4532640.

The previous prime is 9389269. The next prime is 9389279. The reversal of 9389272 is 2729839.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9389279) 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 3 ways as a sum of consecutive naturals, for example, 20004 + ... + 20467.

It is an arithmetic number, because the mean of its divisors is an integer number (1138275).

Almost surely, 2^9389272 is an apocalyptic number.

It is an amenable number.

9389272 is a deficient number, since it is larger than the sum of its proper divisors (8823128).

9389272 is a wasteful number, since it uses less digits than its factorization.

9389272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40506 (or 40502 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 9389272 is about 3064.1918999958. The cubic root of 9389272 is about 210.9651118166.

The spelling of 9389272 in words is "nine million, three hundred eighty-nine thousand, two hundred seventy-two".