9980049 has 16 divisors (see below), whose sum is σ = 13616000. Its totient is φ = 6500736.

The previous prime is 9980029. The next prime is 9980053. The reversal of 9980049 is 9400899.

It is not a de Polignac number, because 9980049 - 2⁵ = 9980017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9979989 and 9980016.

It is not an unprimeable number, because it can be changed into a prime (9980029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43467 + ... + 43695.

It is an arithmetic number, because the mean of its divisors is an integer number (851000).

Almost surely, 2^9980049 is an apocalyptic number.

It is an amenable number.

9980049 is a deficient number, since it is larger than the sum of its proper divisors (3635951).

9980049 is a wasteful number, since it uses less digits than its factorization.

9980049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 9980049 is about 3159.1215551162. The cubic root of 9980049 is about 215.3000965251.

The spelling of 9980049 in words is "nine million, nine hundred eighty thousand, forty-nine".