9941644 has 12 divisors (see below), whose sum is σ = 17474184. Its totient is φ = 4949024.

The previous prime is 9941629. The next prime is 9941647. The reversal of 9941644 is 4461499.

9941644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9941647) 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, 4402 + ... + 6265.

It is an arithmetic number, because the mean of its divisors is an integer number (1456182).

Almost surely, 2^9941644 is an apocalyptic number.

It is an amenable number.

9941644 is a deficient number, since it is larger than the sum of its proper divisors (7532540).

9941644 is a wasteful number, since it uses less digits than its factorization.

9941644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10904 (or 10902 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 9941644 is about 3153.0372658756. The cubic root of 9941644 is about 215.0235705184.

It can be divided in two parts, 9941 and 644, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 9941644 in words is "nine million, nine hundred forty-one thousand, six hundred forty-four".