998244000 has 576 divisors, whose sum is σ = 4006679040. Its totient is φ = 242611200.

The previous prime is 998243993. The next prime is 998244001. The reversal of 998244000 is 442899.

It is a happy number.

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 (998244001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12635961 + ... + 12636039.

It is an arithmetic number, because the mean of its divisors is an integer number (6956040).

Almost surely, 2^998244000 is an apocalyptic number.

998244000 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 998244000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2003339520).

998244000 is an abundant number, since it is smaller than the sum of its proper divisors (3008435040).

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

998244000 is a wasteful number, since it uses less digits than its factorization.

998244000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 998244000 is about 31594.9996043678. Note that the first 3 decimals coincide. The cubic root of 998244000 is about 999.4143237169.

Adding to 998244000 its reverse (442899), we get a palindrome (998686899).

The spelling of 998244000 in words is "nine hundred ninety-eight million, two hundred forty-four thousand".