9923841 has 12 divisors (see below), whose sum is σ = 14668368. Its totient is φ = 6461784.

The previous prime is 9923831. The next prime is 9923861. The reversal of 9923841 is 1483299.

It is a de Polignac number, because none of the positive numbers 2^k-9923841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9923796 and 9923805.

It is not an unprimeable number, because it can be changed into a prime (9923821) 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, 12435 + ... + 13208.

It is an arithmetic number, because the mean of its divisors is an integer number (1222364).

Almost surely, 2^9923841 is an apocalyptic number.

It is an amenable number.

9923841 is a deficient number, since it is larger than the sum of its proper divisors (4744527).

9923841 is a wasteful number, since it uses less digits than its factorization.

9923841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25692 (or 25689 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 9923841 is about 3150.2128499516. The cubic root of 9923841 is about 214.8951426669.

The spelling of 9923841 in words is "nine million, nine hundred twenty-three thousand, eight hundred forty-one".