9919148 has 6 divisors (see below), whose sum is σ = 17358516. Its totient is φ = 4959572.

The previous prime is 9919097. The next prime is 9919183. The reversal of 9919148 is 8419199.

It is an Ulam number.

It is an unprimeable number.

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, 1239890 + ... + 1239897.

It is an arithmetic number, because the mean of its divisors is an integer number (2893086).

Almost surely, 2^9919148 is an apocalyptic number.

It is an amenable number.

9919148 is a deficient number, since it is larger than the sum of its proper divisors (7439368).

9919148 is a wasteful number, since it uses less digits than its factorization.

9919148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479791 (or 2479789 counting only the distinct ones).

The product of its digits is 23328, while the sum is 41.

The square root of 9919148 is about 3149.4678915652. The cubic root of 9919148 is about 214.8612625755.

The spelling of 9919148 in words is "nine million, nine hundred nineteen thousand, one hundred forty-eight".