9998874 has 48 divisors (see below), whose sum is σ = 22643712. Its totient is φ = 3186144.

The previous prime is 9998867. The next prime is 9998887. The reversal of 9998874 is 4788999.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 9998874.

It is a congruent number.

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, 44727 + ... + 44949.

It is an arithmetic number, because the mean of its divisors is an integer number (471744).

Almost surely, 2^9998874 is an apocalyptic number.

9998874 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

9998874 is an abundant number, since it is smaller than the sum of its proper divisors (12644838).

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

9998874 is a wasteful number, since it uses less digits than its factorization.

9998874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 328 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 9998874 is about 3162.0996189241. The cubic root of 9998874 is about 215.4353823881.

The spelling of 9998874 in words is "nine million, nine hundred ninety-eight thousand, eight hundred seventy-four".