998556112 has 10 divisors (see below), whose sum is σ = 1934702498. Its totient is φ = 499278048.

The previous prime is 998556089. The next prime is 998556113. The reversal of 998556112 is 211655899.

It can be written as a sum of positive squares in only one way, i.e., 741146176 + 257409936 = 27224^2 + 16044^2 .

It is a super-2 number, since 2×998556112² = 1994228617625113088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998556113) by changing a digit.

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 as a sum of consecutive naturals, namely, 31204863 + ... + 31204894.

Almost surely, 2^998556112 is an apocalyptic number.

It is an amenable number.

998556112 is a deficient number, since it is larger than the sum of its proper divisors (936146386).

998556112 is a wasteful number, since it uses less digits than its factorization.

998556112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62409765 (or 62409759 counting only the distinct ones).

The product of its digits is 194400, while the sum is 46.

The square root of 998556112 is about 31599.9384809528. The cubic root of 998556112 is about 999.5184721682.

The spelling of 998556112 in words is "nine hundred ninety-eight million, five hundred fifty-six thousand, one hundred twelve".