9921343 has 2 divisors, whose sum is σ = 9921344. Its totient is φ = 9921342.

The previous prime is 9921341. The next prime is 9921383. The reversal of 9921343 is 3431299.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9921343 - 2¹ = 9921341 is a prime.

Together with 9921341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9921341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4960671 + 4960672.

It is an arithmetic number, because the mean of its divisors is an integer number (4960672).

Almost surely, 2^9921343 is an apocalyptic number.

9921343 is a deficient number, since it is larger than the sum of its proper divisors (1).

9921343 is an equidigital number, since it uses as much as digits as its factorization.

9921343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 9921343 is about 3149.8163438524. The cubic root of 9921343 is about 214.8771102299.

The spelling of 9921343 in words is "nine million, nine hundred twenty-one thousand, three hundred forty-three".