9949444 has 12 divisors (see below), whose sum is σ = 17485468. Its totient is φ = 4953600.

The previous prime is 9949441. The next prime is 9949451. The reversal of 9949444 is 4449499.

It can be written as a sum of positive squares in 2 ways, for example, as 6563844 + 3385600 = 2562^2 + 1840^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9949444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9949441) 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, 4197 + ... + 6124.

Almost surely, 2^9949444 is an apocalyptic number.

It is an amenable number.

9949444 is a deficient number, since it is larger than the sum of its proper divisors (7536024).

9949444 is a wasteful number, since it uses less digits than its factorization.

9949444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10566 (or 10564 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 9949444 is about 3154.2739259614. The cubic root of 9949444 is about 215.0797901073.

Subtracting from 9949444 its reverse (4449499), we obtain a palindrome (5499945).

The spelling of 9949444 in words is "nine million, nine hundred forty-nine thousand, four hundred forty-four".