998055100 has 72 divisors (see below), whose sum is σ = 2582834688. Its totient is φ = 327307200.

The previous prime is 998055089. The next prime is 998055101. The reversal of 998055100 is 1550899.

It is a super-2 number, since 2×998055100² = 1992227965272020000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 998055100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998055101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14896 + ... + 47095.

It is an arithmetic number, because the mean of its divisors is an integer number (35872704).

Almost surely, 2^998055100 is an apocalyptic number.

It is an amenable number.

998055100 is an abundant number, since it is smaller than the sum of its proper divisors (1584779588).

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

998055100 is a wasteful number, since it uses less digits than its factorization.

998055100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62035 (or 62028 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 37.

The square root of 998055100 is about 31592.0100658378. The cubic root of 998055100 is about 999.3512792524.

The spelling of 998055100 in words is "nine hundred ninety-eight million, fifty-five thousand, one hundred".