9966204 has 18 divisors (see below), whose sum is σ = 25192440. Its totient is φ = 3322056.

The previous prime is 9966193. The next prime is 9966211. The reversal of 9966204 is 4026699.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 276839 = 9966204 / (9 + 9 + 6 + 6 + 2 + 0 + 4).

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138384 + ... + 138455.

It is an arithmetic number, because the mean of its divisors is an integer number (1399580).

Almost surely, 2^9966204 is an apocalyptic number.

It is an amenable number.

9966204 is an abundant number, since it is smaller than the sum of its proper divisors (15226236).

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

9966204 is a wasteful number, since it uses less digits than its factorization.

9966204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276849 (or 276844 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 9966204 is about 3156.9295209111. The cubic root of 9966204 is about 215.2004908250.

The spelling of 9966204 in words is "nine million, nine hundred sixty-six thousand, two hundred four".