9068921 has 2 divisors, whose sum is σ = 9068922. Its totient is φ = 9068920.

The previous prime is 9068911. The next prime is 9068929. The reversal of 9068921 is 1298609.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8185321 + 883600 = 2861^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 9068921 - 2¹⁰ = 9067897 is a prime.

It is not a weakly prime, because it can be changed into another prime (9068929) 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 as a sum of consecutive naturals, namely, 4534460 + 4534461.

It is an arithmetic number, because the mean of its divisors is an integer number (4534461).

Almost surely, 2^9068921 is an apocalyptic number.

It is an amenable number.

9068921 is a deficient number, since it is larger than the sum of its proper divisors (1).

9068921 is an equidigital number, since it uses as much as digits as its factorization.

9068921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 9068921 is about 3011.4649259123. The cubic root of 9068921 is about 208.5380010365.

The spelling of 9068921 in words is "nine million, sixty-eight thousand, nine hundred twenty-one".