9729441 has 12 divisors (see below), whose sum is σ = 14082432. Its totient is φ = 6473016.

The previous prime is 9729427. The next prime is 9729469. The reversal of 9729441 is 1449279.

It is not a de Polignac number, because 9729441 - 2¹⁰ = 9728417 is a prime.

It is a Curzon number.

9729441 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9729396 and 9729405.

It is not an unprimeable number, because it can be changed into a prime (9729241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5800 + ... + 7286.

It is an arithmetic number, because the mean of its divisors is an integer number (1173536).

Almost surely, 2^9729441 is an apocalyptic number.

It is an amenable number.

9729441 is a deficient number, since it is larger than the sum of its proper divisors (4352991).

9729441 is a wasteful number, since it uses less digits than its factorization.

9729441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220 (or 2217 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 9729441 is about 3119.2051872232. The cubic root of 9729441 is about 213.4826718564.

The spelling of 9729441 in words is "nine million, seven hundred twenty-nine thousand, four hundred forty-one".