9980289 has 12 divisors (see below), whose sum is σ = 15726672. Its totient is φ = 6048600.

The previous prime is 9980287. The next prime is 9980291. The reversal of 9980289 is 9820899.

It is an interprime number because it is at equal distance from previous prime (9980287) and next prime (9980291).

It is not a de Polignac number, because 9980289 - 2¹ = 9980287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9980281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50307 + ... + 50504.

It is an arithmetic number, because the mean of its divisors is an integer number (1310556).

Almost surely, 2^9980289 is an apocalyptic number.

9980289 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

9980289 is a deficient number, since it is larger than the sum of its proper divisors (5746383).

9980289 is a wasteful number, since it uses less digits than its factorization.

9980289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100828 (or 100825 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 9980289 is about 3159.1595401309. The cubic root of 9980289 is about 215.3018223552.

The spelling of 9980289 in words is "nine million, nine hundred eighty thousand, two hundred eighty-nine".