9921341 has 2 divisors, whose sum is σ = 9921342. Its totient is φ = 9921340.

The previous prime is 9921337. The next prime is 9921343. The reversal of 9921341 is 1431299.

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., 9897316 + 24025 = 3146^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 9921341 - 2² = 9921337 is a prime.

Together with 9921343, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9921343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4960670 + 4960671.

It is an arithmetic number, because the mean of its divisors is an integer number (4960671).

Almost surely, 2^9921341 is an apocalyptic number.

It is an amenable number.

9921341 is a deficient number, since it is larger than the sum of its proper divisors (1).

9921341 is an equidigital number, since it uses as much as digits as its factorization.

9921341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 9921341 is about 3149.8160263736. The cubic root of 9921341 is about 214.8770957912.

The spelling of 9921341 in words is "nine million, nine hundred twenty-one thousand, three hundred forty-one".