9980868 has 12 divisors (see below), whose sum is σ = 23288720. Its totient is φ = 3326952.

The previous prime is 9980863. The next prime is 9980869. The reversal of 9980868 is 8680899.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (9980863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415858 + ... + 415881.

Almost surely, 2^9980868 is an apocalyptic number.

It is an amenable number.

9980868 is an abundant number, since it is smaller than the sum of its proper divisors (13307852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9980868 is a wasteful number, since it uses less digits than its factorization.

9980868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831746 (or 831744 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 9980868 is about 3159.2511770988. The cubic root of 9980868 is about 215.3059858066.

The spelling of 9980868 in words is "nine million, nine hundred eighty thousand, eight hundred sixty-eight".