9998274 has 64 divisors (see below), whose sum is σ = 24127488. Its totient is φ = 2721600.

The previous prime is 9998273. The next prime is 9998279. The reversal of 9998274 is 4728999.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9998273) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 36759 + ... + 37029.

It is an arithmetic number, because the mean of its divisors is an integer number (376992).

Almost surely, 2^9998274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9998274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12063744).

9998274 is an abundant number, since it is smaller than the sum of its proper divisors (14129214).

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

9998274 is a wasteful number, since it uses less digits than its factorization.

9998274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its digits is 326592, while the sum is 48.

The square root of 9998274 is about 3162.0047438295. The cubic root of 9998274 is about 215.4310731091.

The spelling of 9998274 in words is "nine million, nine hundred ninety-eight thousand, two hundred seventy-four".