998808330 has 64 divisors (see below), whose sum is σ = 2588439168. Its totient is φ = 245203200.

The previous prime is 998808319. The next prime is 998808337. The reversal of 998808330 is 33808899.

It is a self number, because there is not a number n which added to its sum of digits gives 998808330.

It is not an unprimeable number, because it can be changed into a prime (998808337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151605 + ... + 158055.

It is an arithmetic number, because the mean of its divisors is an integer number (40444362).

Almost surely, 2^998808330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998808330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1294219584).

998808330 is an abundant number, since it is smaller than the sum of its proper divisors (1589630838).

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

998808330 is a wasteful number, since it uses less digits than its factorization.

998808330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6871.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 998808330 is about 31603.9290278915. The cubic root of 998808330 is about 999.6026187757.

The spelling of 998808330 in words is "nine hundred ninety-eight million, eight hundred eight thousand, three hundred thirty".