9910081 has 4 divisors (see below), whose sum is σ = 10140592. Its totient is φ = 9679572.

The previous prime is 9910073. The next prime is 9910097. The reversal of 9910081 is 1800199.

9910081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9910081 - 2³ = 9910073 is a prime.

It is a super-2 number, since 2×9910081² = 196419410853122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9910181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115191 + ... + 115276.

It is an arithmetic number, because the mean of its divisors is an integer number (2535148).

Almost surely, 2^9910081 is an apocalyptic number.

It is an amenable number.

9910081 is a deficient number, since it is larger than the sum of its proper divisors (230511).

9910081 is a wasteful number, since it uses less digits than its factorization.

9910081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230510.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 9910081 is about 3148.0281129621. The cubic root of 9910081 is about 214.7957750638.

The spelling of 9910081 in words is "nine million, nine hundred ten thousand, eighty-one".