9919794 has 16 divisors (see below), whose sum is σ = 19972800. Its totient is φ = 3284400.

The previous prime is 9919727. The next prime is 9919813. The reversal of 9919794 is 4979199.

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 in 7 ways as a sum of consecutive naturals, for example, 4569 + ... + 6380.

It is an arithmetic number, because the mean of its divisors is an integer number (1248300).

Almost surely, 2^9919794 is an apocalyptic number.

9919794 is an abundant number, since it is smaller than the sum of its proper divisors (10053006).

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

9919794 is a wasteful number, since it uses less digits than its factorization.

9919794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105.

The product of its digits is 183708, while the sum is 48.

The square root of 9919794 is about 3149.5704469022. The cubic root of 9919794 is about 214.8659268660.

The spelling of 9919794 in words is "nine million, nine hundred nineteen thousand, seven hundred ninety-four".