9381672 has 48 divisors (see below), whose sum is σ = 25564500. Its totient is φ = 3108096.

The previous prime is 9381643. The next prime is 9381679. The reversal of 9381672 is 2761839.

It can be written as a sum of positive squares in 2 ways, for example, as 9326916 + 54756 = 3054^2 + 234^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (9381679) 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 11 ways as a sum of consecutive naturals, for example, 16204 + ... + 16772.

Almost surely, 2^9381672 is an apocalyptic number.

It is an amenable number.

9381672 is an abundant number, since it is smaller than the sum of its proper divisors (16182828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9381672 is a wasteful number, since it uses less digits than its factorization.

9381672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 803 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 9381672 is about 3062.9515177358. The cubic root of 9381672 is about 210.9081756437.

The spelling of 9381672 in words is "nine million, three hundred eighty-one thousand, six hundred seventy-two".