998836800 has 168 divisors, whose sum is σ = 3529315776. Its totient is φ = 245852160.

The previous prime is 998836799. The next prime is 998836829. The reversal of 998836800 is 8638899.

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 in 23 ways as a sum of consecutive naturals, for example, 54397 + ... + 70403.

It is an arithmetic number, because the mean of its divisors is an integer number (21007832).

Almost surely, 2^998836800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998836800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1764657888).

998836800 is an abundant number, since it is smaller than the sum of its proper divisors (2530478976).

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

998836800 is a wasteful number, since it uses less digits than its factorization.

998836800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16045 (or 16030 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 998836800 is about 31604.3794433620. The cubic root of 998836800 is about 999.6121162323.

The spelling of 998836800 in words is "nine hundred ninety-eight million, eight hundred thirty-six thousand, eight hundred".