9823873 has 2 divisors, whose sum is σ = 9823874. Its totient is φ = 9823872.

The previous prime is 9823769. The next prime is 9823897. The reversal of 9823873 is 3783289.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8020224 + 1803649 = 2832^2 + 1343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9823873 is a prime.

It is not a weakly prime, because it can be changed into another prime (9823273) 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 as a sum of consecutive naturals, namely, 4911936 + 4911937.

It is an arithmetic number, because the mean of its divisors is an integer number (4911937).

Almost surely, 2^9823873 is an apocalyptic number.

It is an amenable number.

9823873 is a deficient number, since it is larger than the sum of its proper divisors (1).

9823873 is an equidigital number, since it uses as much as digits as its factorization.

9823873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 9823873 is about 3134.3058242616. The cubic root of 9823873 is about 214.1711226259.

The spelling of 9823873 in words is "nine million, eight hundred twenty-three thousand, eight hundred seventy-three".