9998266 has 8 divisors (see below), whose sum is σ = 15243444. Its totient is φ = 4917120.

The previous prime is 9998249. The next prime is 9998273. The reversal of 9998266 is 6628999.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8242641 + 1755625 = 2871^2 + 1325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40855 + ... + 41098.

Almost surely, 2^9998266 is an apocalyptic number.

9998266 is a deficient number, since it is larger than the sum of its proper divisors (5245178).

9998266 is a wasteful number, since it uses less digits than its factorization.

9998266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82016.

The product of its digits is 419904, while the sum is 49.

The square root of 9998266 is about 3162.0034788090. The cubic root of 9998266 is about 215.4310156508.

The spelling of 9998266 in words is "nine million, nine hundred ninety-eight thousand, two hundred sixty-six".