9998056 has 8 divisors (see below), whose sum is σ = 18746370. Its totient is φ = 4999024.

The previous prime is 9998033. The next prime is 9998099. The reversal of 9998056 is 6508999.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9302500 + 695556 = 3050^2 + 834^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×9998056² = 199922247558272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9997997 and 9998015.

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 as a sum of consecutive naturals, namely, 624871 + ... + 624886.

Almost surely, 2^9998056 is an apocalyptic number.

It is an amenable number.

9998056 is a deficient number, since it is larger than the sum of its proper divisors (8748314).

9998056 is a wasteful number, since it uses less digits than its factorization.

9998056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249763 (or 1249759 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 9998056 is about 3161.9702718400. The cubic root of 9998056 is about 215.4295073616.

The spelling of 9998056 in words is "nine million, nine hundred ninety-eight thousand, fifty-six".