9944159 has 4 divisors (see below), whose sum is σ = 10107240. Its totient is φ = 9781080.

The previous prime is 9944153. The next prime is 9944171. The reversal of 9944159 is 9514499.

It is a happy number.

9944159 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9944159 - 2⁸ = 9943903 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9944153) 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, 81449 + ... + 81570.

It is an arithmetic number, because the mean of its divisors is an integer number (2526810).

Almost surely, 2^9944159 is an apocalyptic number.

9944159 is a deficient number, since it is larger than the sum of its proper divisors (163081).

9944159 is a wasteful number, since it uses less digits than its factorization.

9944159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163080.

The product of its digits is 58320, while the sum is 41.

The square root of 9944159 is about 3153.4360624563. The cubic root of 9944159 is about 215.0417009432.

The spelling of 9944159 in words is "nine million, nine hundred forty-four thousand, one hundred fifty-nine".