9939089 has 2 divisors, whose sum is σ = 9939090. Its totient is φ = 9939088.

The previous prime is 9939079. The next prime is 9939103. The reversal of 9939089 is 9809399.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6760000 + 3179089 = 2600^2 + 1783^2 .

It is a cyclic number.

It is not a de Polignac number, because 9939089 - 2⁴ = 9939073 is a prime.

It is a super-3 number, since 3×9939089³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9939019) 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, 4969544 + 4969545.

It is an arithmetic number, because the mean of its divisors is an integer number (4969545).

Almost surely, 2^9939089 is an apocalyptic number.

It is an amenable number.

9939089 is a deficient number, since it is larger than the sum of its proper divisors (1).

9939089 is an equidigital number, since it uses as much as digits as its factorization.

9939089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 9939089 is about 3152.6320749494. The cubic root of 9939089 is about 215.0051486057.

The spelling of 9939089 in words is "nine million, nine hundred thirty-nine thousand, eighty-nine".