9994028 has 48 divisors (see below), whose sum is σ = 20901888. Its totient is φ = 4128000.

The previous prime is 9994027. The next prime is 9994043. The reversal of 9994028 is 8204999.

It is not an unprimeable number, because it can be changed into a prime (9994021) 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 in 15 ways as a sum of consecutive naturals, for example, 22973 + ... + 23403.

It is an arithmetic number, because the mean of its divisors is an integer number (435456).

Almost surely, 2^9994028 is an apocalyptic number.

It is an amenable number.

9994028 is an abundant number, since it is smaller than the sum of its proper divisors (10907860).

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

9994028 is a wasteful number, since it uses less digits than its factorization.

9994028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 9994028 is about 3161.3332630395. Note that the first 3 decimals coincide. The cubic root of 9994028 is about 215.4005728496.

The spelling of 9994028 in words is "nine million, nine hundred ninety-four thousand, twenty-eight".