9998048520 has 96 divisors (see below), whose sum is σ = 34203873600. Its totient is φ = 2525821056.

The previous prime is 9998048519. The next prime is 9998048581. The reversal of 9998048520 is 258408999.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 724012 + ... + 737691.

It is an arithmetic number, because the mean of its divisors is an integer number (356290350).

Almost surely, 2^9998048520 is an apocalyptic number.

9998048520 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9998048520 is an abundant number, since it is smaller than the sum of its proper divisors (24205825080).

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

9998048520 is a wasteful number, since it uses less digits than its factorization.

9998048520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461739 (or 1461732 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 9998048520 is about 99990.2421239193. The cubic root of 9998048520 is about 2154.2945363743.

The spelling of 9998048520 in words is "nine billion, nine hundred ninety-eight million, forty-eight thousand, five hundred twenty".