9910090 has 8 divisors (see below), whose sum is σ = 17838180. Its totient is φ = 3964032.

The previous prime is 9910073. The next prime is 9910097. The reversal of 9910090 is 900199.

It can be written as a sum of positive squares in 2 ways, for example, as 9803161 + 106929 = 3131^2 + 327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9910097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495495 + ... + 495514.

Almost surely, 2^9910090 is an apocalyptic number.

9910090 is a deficient number, since it is larger than the sum of its proper divisors (7928090).

9910090 is a wasteful number, since it uses less digits than its factorization.

9910090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991016.

The product of its (nonzero) digits is 729, while the sum is 28.

The square root of 9910090 is about 3148.0295424281. The cubic root of 9910090 is about 214.7958400872.

The spelling of 9910090 in words is "nine million, nine hundred ten thousand, ninety".