9998256 has 60 divisors (see below), whose sum is σ = 27307032. Its totient is φ = 3151872.

The previous prime is 9998249. The next prime is 9998273. The reversal of 9998256 is 6528999.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17040 + ... + 17616.

Almost surely, 2^9998256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9998256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13653516).

9998256 is an abundant number, since it is smaller than the sum of its proper divisors (17308776).

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

9998256 is a wasteful number, since it uses less digits than its factorization.

9998256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 601 counting only the distinct ones).

The product of its digits is 349920, while the sum is 48.

The square root of 9998256 is about 3162.0018975326. The cubic root of 9998256 is about 215.4309438280.

The spelling of 9998256 in words is "nine million, nine hundred ninety-eight thousand, two hundred fifty-six".