9966764 has 12 divisors (see below), whose sum is σ = 17913504. Its totient is φ = 4848624.

The previous prime is 9966721. The next prime is 9966769. The reversal of 9966764 is 4676699.

It is not an unprimeable number, because it can be changed into a prime (9966769) 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, 33524 + ... + 33819.

It is an arithmetic number, because the mean of its divisors is an integer number (1492792).

Almost surely, 2^9966764 is an apocalyptic number.

It is an amenable number.

9966764 is a deficient number, since it is larger than the sum of its proper divisors (7946740).

9966764 is a wasteful number, since it uses less digits than its factorization.

9966764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67384 (or 67382 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 9966764 is about 3157.0182134413. The cubic root of 9966764 is about 215.2045214475.

The spelling of 9966764 in words is "nine million, nine hundred sixty-six thousand, seven hundred sixty-four".