9966907 has 4 divisors (see below), whose sum is σ = 9977760. Its totient is φ = 9956056.

The previous prime is 9966883. The next prime is 9966937. The reversal of 9966907 is 7096699.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9966907 - 2¹¹ = 9964859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9966937) 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 3 ways as a sum of consecutive naturals, for example, 3907 + ... + 5932.

It is an arithmetic number, because the mean of its divisors is an integer number (2494440).

Almost surely, 2^9966907 is an apocalyptic number.

9966907 is a deficient number, since it is larger than the sum of its proper divisors (10853).

9966907 is a wasteful number, since it uses less digits than its factorization.

9966907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10852.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 9966907 is about 3157.0408613130. The cubic root of 9966907 is about 215.2055506715.

The spelling of 9966907 in words is "nine million, nine hundred sixty-six thousand, nine hundred seven".