9930081 has 16 divisors (see below), whose sum is σ = 15177600. Its totient is φ = 5657088.

The previous prime is 9930073. The next prime is 9930083. The reversal of 9930081 is 1800399.

It is a happy number.

It is not a de Polignac number, because 9930081 - 2³ = 9930073 is a prime.

It is a super-2 number, since 2×9930081² = 197213017333122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9930083) 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, 10225 + ... + 11153.

It is an arithmetic number, because the mean of its divisors is an integer number (948600).

Almost surely, 2^9930081 is an apocalyptic number.

It is an amenable number.

9930081 is a deficient number, since it is larger than the sum of its proper divisors (5247519).

9930081 is a wasteful number, since it uses less digits than its factorization.

9930081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 9930081 is about 3151.2031035781. The cubic root of 9930081 is about 214.9401744489.

The spelling of 9930081 in words is "nine million, nine hundred thirty thousand, eighty-one".