9998960 has 20 divisors (see below), whose sum is σ = 23247768. Its totient is φ = 3999552.

The previous prime is 9998929. The next prime is 9998969. The reversal of 9998960 is 698999.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 9998899 and 9998908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9998969) 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, 62414 + ... + 62573.

Almost surely, 2^9998960 is an apocalyptic number.

It is an amenable number.

9998960 is an abundant number, since it is smaller than the sum of its proper divisors (13248808).

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

9998960 is a wasteful number, since it uses less digits than its factorization.

9998960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125000 (or 124994 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 9998960 is about 3162.1132174544. The cubic root of 9998960 is about 215.4360000373.

The spelling of 9998960 in words is "nine million, nine hundred ninety-eight thousand, nine hundred sixty".