998733484 has 72 divisors (see below), whose sum is σ = 2099442240. Its totient is φ = 414296064.

The previous prime is 998733481. The next prime is 998733497. The reversal of 998733484 is 484337899.

It is not an unprimeable number, because it can be changed into a prime (998733481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 820044 + ... + 821260.

It is an arithmetic number, because the mean of its divisors is an integer number (29158920).

Almost surely, 2^998733484 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 998733484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049721120).

998733484 is an abundant number, since it is smaller than the sum of its proper divisors (1100708756).

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

998733484 is a wasteful number, since it uses less digits than its factorization.

998733484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367 (or 1358 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The square root of 998733484 is about 31602.7448807853. The cubic root of 998733484 is about 999.5776496453.

The spelling of 998733484 in words is "nine hundred ninety-eight million, seven hundred thirty-three thousand, four hundred eighty-four".