9330921 has 6 divisors (see below), whose sum is σ = 13478010. Its totient is φ = 6220608.

The previous prime is 9330917. The next prime is 9330929. The reversal of 9330921 is 1290339.

9330921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7080921 + 2250000 = 2661^2 + 1500^2 .

It is not a de Polignac number, because 9330921 - 2² = 9330917 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9330929) 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 5 ways as a sum of consecutive naturals, for example, 518376 + ... + 518393.

It is an arithmetic number, because the mean of its divisors is an integer number (2246335).

Almost surely, 2^9330921 is an apocalyptic number.

It is an amenable number.

9330921 is a deficient number, since it is larger than the sum of its proper divisors (4147089).

9330921 is a wasteful number, since it uses less digits than its factorization.

9330921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036775 (or 1036772 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 9330921 is about 3054.6556270716. The cubic root of 9330921 is about 210.5271788769.

The spelling of 9330921 in words is "nine million, three hundred thirty thousand, nine hundred twenty-one".