9939244 has 12 divisors (see below), whose sum is σ = 19878544. Its totient is φ = 4259664.

The previous prime is 9939229. The next prime is 9939247. The reversal of 9939244 is 4429399.

9939244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

9939244 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9939197 and 9939206.

It is not an unprimeable number, because it can be changed into a prime (9939247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177459 + ... + 177514.

Almost surely, 2^9939244 is an apocalyptic number.

It is an amenable number.

9939244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9939244 is a wasteful number, since it uses less digits than its factorization.

9939244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354984 (or 354982 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 9939244 is about 3152.6566574875. The cubic root of 9939244 is about 215.0062662677.

The spelling of 9939244 in words is "nine million, nine hundred thirty-nine thousand, two hundred forty-four".