9980471 has 2 divisors, whose sum is σ = 9980472. Its totient is φ = 9980470.

The previous prime is 9980461. The next prime is 9980473. The reversal of 9980471 is 1740899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9980471 - 2¹⁸ = 9718327 is a prime.

It is a super-3 number, since 3×9980471³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 9980473, 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 (9980473) 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, 4990235 + 4990236.

It is an arithmetic number, because the mean of its divisors is an integer number (4990236).

Almost surely, 2^9980471 is an apocalyptic number.

9980471 is a deficient number, since it is larger than the sum of its proper divisors (1).

9980471 is an equidigital number, since it uses as much as digits as its factorization.

9980471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 9980471 is about 3159.1883451292. The cubic root of 9980471 is about 215.3031310913.

The spelling of 9980471 in words is "nine million, nine hundred eighty thousand, four hundred seventy-one".