9944872 has 32 divisors (see below), whose sum is σ = 21424320. Its totient is φ = 4239360.

The previous prime is 9944849. The next prime is 9944917. The reversal of 9944872 is 2784499.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14047 + ... + 14737.

It is an arithmetic number, because the mean of its divisors is an integer number (669510).

Almost surely, 2^9944872 is an apocalyptic number.

It is an amenable number.

9944872 is an abundant number, since it is smaller than the sum of its proper divisors (11479448).

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

9944872 is a wasteful number, since it uses less digits than its factorization.

9944872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 957 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 9944872 is about 3153.5491117152. The cubic root of 9944872 is about 215.0468403444.

It can be divided in two parts, 9944 and 872, that added together give a square (10816 = 104²).

The spelling of 9944872 in words is "nine million, nine hundred forty-four thousand, eight hundred seventy-two".