9328921 has 16 divisors (see below), whose sum is σ = 11065600. Its totient is φ = 7698240.

The previous prime is 9328883. The next prime is 9328967. The reversal of 9328921 is 1298239.

It is a cyclic number.

It is not a de Polignac number, because 9328921 - 2⁷ = 9328793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9328321) 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 15 ways as a sum of consecutive naturals, for example, 46780 + ... + 46978.

It is an arithmetic number, because the mean of its divisors is an integer number (691600).

Almost surely, 2^9328921 is an apocalyptic number.

It is an amenable number.

9328921 is a deficient number, since it is larger than the sum of its proper divisors (1736679).

9328921 is a wasteful number, since it uses less digits than its factorization.

9328921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424.

The product of its digits is 7776, while the sum is 34.

The square root of 9328921 is about 3054.3282403828. The cubic root of 9328921 is about 210.5121362588.

The spelling of 9328921 in words is "nine million, three hundred twenty-eight thousand, nine hundred twenty-one".