9940044 has 24 divisors (see below), whose sum is σ = 23632560. Its totient is φ = 3250624.

The previous prime is 9940043. The next prime is 9940067. The reversal of 9940044 is 4400499.

9940044 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9939993 and 9940020.

It is not an unprimeable number, because it can be changed into a prime (9940043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7179 + ... + 8450.

It is an arithmetic number, because the mean of its divisors is an integer number (984690).

Almost surely, 2^9940044 is an apocalyptic number.

It is an amenable number.

9940044 is an abundant number, since it is smaller than the sum of its proper divisors (13692516).

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

9940044 is a wasteful number, since it uses less digits than its factorization.

9940044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15689 (or 15687 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 9940044 is about 3152.7835320554. The cubic root of 9940044 is about 215.0120346608.

The spelling of 9940044 in words is "nine million, nine hundred forty thousand, forty-four".