9944644 has 12 divisors (see below), whose sum is σ = 17642044. Its totient is φ = 4904064.

The previous prime is 9944629. The next prime is 9944663. The reversal of 9944644 is 4464499.

9944644 = T₁₀₁ + T₁₀₂ + ... + T₃₉₂.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7182400 + 2762244 = 2680^2 + 1662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9944597 and 9944606.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16737 + ... + 17320.

Almost surely, 2^9944644 is an apocalyptic number.

It is an amenable number.

9944644 is a deficient number, since it is larger than the sum of its proper divisors (7697400).

9944644 is a wasteful number, since it uses less digits than its factorization.

9944644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34134 (or 34132 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 9944644 is about 3153.5129617619. The cubic root of 9944644 is about 215.0451969160.

The spelling of 9944644 in words is "nine million, nine hundred forty-four thousand, six hundred forty-four".