9919204 has 6 divisors (see below), whose sum is σ = 17358614. Its totient is φ = 4959600.

The previous prime is 9919201. The next prime is 9919223. The reversal of 9919204 is 4029199.

It can be written as a sum of positive squares in only one way, i.e., 8820900 + 1098304 = 2970^2 + 1048^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9919204.

It is not an unprimeable number, because it can be changed into a prime (9919201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239897 + ... + 1239904.

Almost surely, 2^9919204 is an apocalyptic number.

It is an amenable number.

9919204 is a deficient number, since it is larger than the sum of its proper divisors (7439410).

9919204 is a wasteful number, since it uses less digits than its factorization.

9919204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479805 (or 2479803 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 9919204 is about 3149.4767819433. The cubic root of 9919204 is about 214.8616669183.

The spelling of 9919204 in words is "nine million, nine hundred nineteen thousand, two hundred four".