9994040 has 48 divisors (see below), whose sum is σ = 26163000. Its totient is φ = 3425856.

The previous prime is 9994027. The next prime is 9994043. The reversal of 9994040 is 404999.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9994043) 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 11 ways as a sum of consecutive naturals, for example, 590 + ... + 4509.

Almost surely, 2^9994040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9994040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13081500).

9994040 is an abundant number, since it is smaller than the sum of its proper divisors (16168960).

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

9994040 is a wasteful number, since it uses less digits than its factorization.

9994040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124 (or 5113 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 9994040 is about 3161.3351609723. The cubic root of 9994040 is about 215.4006590613.

The spelling of 9994040 in words is "nine million, nine hundred ninety-four thousand, forty".