9944891 has 8 divisors (see below), whose sum is σ = 11027568. Its totient is φ = 8892000.

The previous prime is 9944849. The next prime is 9944917. The reversal of 9944891 is 1984499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9944891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9944801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6740 + ... + 8081.

It is an arithmetic number, because the mean of its divisors is an integer number (1378446).

Almost surely, 2^9944891 is an apocalyptic number.

9944891 is a deficient number, since it is larger than the sum of its proper divisors (1082677).

9944891 is a wasteful number, since it uses less digits than its factorization.

9944891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14893.

The product of its digits is 93312, while the sum is 44.

The square root of 9944891 is about 3153.5521241927. The cubic root of 9944891 is about 215.0469772956.

It can be divided in two parts, 994 and 4891, that added together give a palindrome (5885).

The spelling of 9944891 in words is "nine million, nine hundred forty-four thousand, eight hundred ninety-one".