998421300 has 108 divisors (see below), whose sum is σ = 3202399200. Its totient is φ = 260043840.

The previous prime is 998421269. The next prime is 998421301. The reversal of 998421300 is 3124899.

998421300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998421301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25801 + ... + 51599.

Almost surely, 2^998421300 is an apocalyptic number.

998421300 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998421300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1601199600).

998421300 is an abundant number, since it is smaller than the sum of its proper divisors (2203977900).

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

998421300 is a wasteful number, since it uses less digits than its factorization.

998421300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25862 (or 25852 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 998421300 is about 31597.8053035333. The cubic root of 998421300 is about 999.4734895020.

The spelling of 998421300 in words is "nine hundred ninety-eight million, four hundred twenty-one thousand, three hundred".