9994788 has 36 divisors (see below), whose sum is σ = 26365248. Its totient is φ = 3186480.

The previous prime is 9994769. The next prime is 9994799. The reversal of 9994788 is 8874999.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5208 + ... + 6863.

It is an arithmetic number, because the mean of its divisors is an integer number (732368).

Almost surely, 2^9994788 is an apocalyptic number.

It is an amenable number.

9994788 is an abundant number, since it is smaller than the sum of its proper divisors (16370460).

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

9994788 is a wasteful number, since it uses less digits than its factorization.

9994788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12104 (or 12099 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 9994788 is about 3161.4534632033. The cubic root of 9994788 is about 215.4060327865.

The spelling of 9994788 in words is "nine million, nine hundred ninety-four thousand, seven hundred eighty-eight".