9971411 has 2 divisors, whose sum is σ = 9971412. Its totient is φ = 9971410.

The previous prime is 9971407. The next prime is 9971417. The reversal of 9971411 is 1141799.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9971411 - 2² = 9971407 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9971417) 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, 4985705 + 4985706.

It is an arithmetic number, because the mean of its divisors is an integer number (4985706).

Almost surely, 2^9971411 is an apocalyptic number.

9971411 is a deficient number, since it is larger than the sum of its proper divisors (1).

9971411 is an equidigital number, since it uses as much as digits as its factorization.

9971411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 32.

The square root of 9971411 is about 3157.7541069564. The cubic root of 9971411 is about 215.2379625933.

The spelling of 9971411 in words is "nine million, nine hundred seventy-one thousand, four hundred eleven".