9809141 has 2 divisors, whose sum is σ = 9809142. Its totient is φ = 9809140.

The previous prime is 9809131. The next prime is 9809143. The reversal of 9809141 is 1419089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8532241 + 1276900 = 2921^2 + 1130^2 .

It is a cyclic number.

It is not a de Polignac number, because 9809141 - 2⁶ = 9809077 is a prime.

Together with 9809143, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9809098 and 9809107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9809143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4904570 + 4904571.

It is an arithmetic number, because the mean of its divisors is an integer number (4904571).

Almost surely, 2^9809141 is an apocalyptic number.

It is an amenable number.

9809141 is a deficient number, since it is larger than the sum of its proper divisors (1).

9809141 is an equidigital number, since it uses as much as digits as its factorization.

9809141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 9809141 is about 3131.9548208747. The cubic root of 9809141 is about 214.0640111886.

The spelling of 9809141 in words is "nine million, eight hundred nine thousand, one hundred forty-one".