9911948 has 6 divisors (see below), whose sum is σ = 17345916. Its totient is φ = 4955972.

The previous prime is 9911929. The next prime is 9911953. The reversal of 9911948 is 8491199.

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, 1238990 + ... + 1238997.

It is an arithmetic number, because the mean of its divisors is an integer number (2890986).

Almost surely, 2^9911948 is an apocalyptic number.

It is an amenable number.

9911948 is a deficient number, since it is larger than the sum of its proper divisors (7433968).

9911948 is a wasteful number, since it uses less digits than its factorization.

9911948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477991 (or 2477989 counting only the distinct ones).

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

The square root of 9911948 is about 3148.3246338330. The cubic root of 9911948 is about 214.8092629633.

The spelling of 9911948 in words is "nine million, nine hundred eleven thousand, nine hundred forty-eight".