9960909 has 32 divisors (see below), whose sum is σ = 16257024. Its totient is φ = 5301120.

The previous prime is 9960901. The next prime is 9960941. The reversal of 9960909 is 9090699.

9960909 = T₂₂ + T₂₃ + ... + T₃₉₀.

It is not a de Polignac number, because 9960909 - 2³ = 9960901 is a prime.

9960909 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9960901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19552 + ... + 20054.

It is an arithmetic number, because the mean of its divisors is an integer number (508032).

Almost surely, 2^9960909 is an apocalyptic number.

It is an amenable number.

9960909 is a deficient number, since it is larger than the sum of its proper divisors (6296115).

9960909 is a wasteful number, since it uses less digits than its factorization.

9960909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577.

The product of its (nonzero) digits is 39366, while the sum is 42.

The square root of 9960909 is about 3156.0907781621. The cubic root of 9960909 is about 215.1623723846.

The spelling of 9960909 in words is "nine million, nine hundred sixty thousand, nine hundred nine".