9980473 has 2 divisors, whose sum is σ = 9980474. Its totient is φ = 9980472.

The previous prime is 9980471. The next prime is 9980519. The reversal of 9980473 is 3740899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9935104 + 45369 = 3152^2 + 213^2 .

It is a cyclic number.

It is not a de Polignac number, because 9980473 - 2¹ = 9980471 is a prime.

Together with 9980471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9980471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4990236 + 4990237.

It is an arithmetic number, because the mean of its divisors is an integer number (4990237).

Almost surely, 2^9980473 is an apocalyptic number.

It is an amenable number.

9980473 is a deficient number, since it is larger than the sum of its proper divisors (1).

9980473 is an equidigital number, since it uses as much as digits as its factorization.

9980473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 9980473 is about 3159.1886616662. The cubic root of 9980473 is about 215.3031454730.

The spelling of 9980473 in words is "nine million, nine hundred eighty thousand, four hundred seventy-three".