9966311 has 4 divisors (see below), whose sum is σ = 9973824. Its totient is φ = 9958800.

The previous prime is 9966277. The next prime is 9966323. The reversal of 9966311 is 1136699.

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 9966311 - 2²² = 5772007 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9966331) 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, 1175 + ... + 4616.

It is an arithmetic number, because the mean of its divisors is an integer number (2493456).

Almost surely, 2^9966311 is an apocalyptic number.

9966311 is a deficient number, since it is larger than the sum of its proper divisors (7513).

9966311 is a wasteful number, since it uses less digits than its factorization.

9966311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7512.

The product of its digits is 8748, while the sum is 35.

The square root of 9966311 is about 3156.9464677121. The cubic root of 9966311 is about 215.2012609734.

The spelling of 9966311 in words is "nine million, nine hundred sixty-six thousand, three hundred eleven".