9980443 has 6 divisors (see below), whose sum is σ = 10970372. Its totient is φ = 9073020.

The previous prime is 9980441. The next prime is 9980449. The reversal of 9980443 is 3440899.

It is not a de Polignac number, because 9980443 - 2¹ = 9980441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9980441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41121 + ... + 41362.

Almost surely, 2^9980443 is an apocalyptic number.

9980443 is a deficient number, since it is larger than the sum of its proper divisors (989929).

9980443 is a wasteful number, since it uses less digits than its factorization.

9980443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82505 (or 82494 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 9980443 is about 3159.1839136081. The cubic root of 9980443 is about 215.3029297483.

The spelling of 9980443 in words is "nine million, nine hundred eighty thousand, four hundred forty-three".