998061900 has 72 divisors (see below), whose sum is σ = 3150256704. Its totient is φ = 241953600.

The previous prime is 998061899. The next prime is 998061917. The reversal of 998061900 is 9160899.

998061900 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×998061900² = 1992255112463220000, which contains 22 as substring.

It is an unprimeable number.

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, 147922 + ... + 154521.

Almost surely, 2^998061900 is an apocalyptic number.

It is an amenable number.

998061900 is an abundant number, since it is smaller than the sum of its proper divisors (2152194804).

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

998061900 is a wasteful number, since it uses less digits than its factorization.

998061900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302471 (or 302464 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 998061900 is about 31592.1176878031. The cubic root of 998061900 is about 999.3535488576.

The spelling of 998061900 in words is "nine hundred ninety-eight million, sixty-one thousand, nine hundred".