9966824 has 16 divisors (see below), whose sum is σ = 21357600. Its totient is φ = 4271472.

The previous prime is 9966823. The next prime is 9966829. The reversal of 9966824 is 4286699.

It is not an unprimeable number, because it can be changed into a prime (9966823) 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, 88934 + ... + 89045.

It is an arithmetic number, because the mean of its divisors is an integer number (1334850).

Almost surely, 2^9966824 is an apocalyptic number.

It is an amenable number.

9966824 is an abundant number, since it is smaller than the sum of its proper divisors (11390776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9966824 is a wasteful number, since it uses less digits than its factorization.

9966824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177992 (or 177988 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 9966824 is about 3157.0277160646. The cubic root of 9966824 is about 215.2049532909.

The spelling of 9966824 in words is "nine million, nine hundred sixty-six thousand, eight hundred twenty-four".