998032080 has 160 divisors (see below), whose sum is σ = 3201295104. Its totient is φ = 257015808.

The previous prime is 998032069. The next prime is 998032081. The reversal of 998032080 is 80230899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998032081) 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, 1482624 + ... + 1483296.

Almost surely, 2^998032080 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 998032080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600647552).

998032080 is an abundant number, since it is smaller than the sum of its proper divisors (2203263024).

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

998032080 is a wasteful number, since it uses less digits than its factorization.

998032080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 998032080 is about 31591.6457311106. The cubic root of 998032080 is about 999.3435958946.

The spelling of 998032080 in words is "nine hundred ninety-eight million, thirty-two thousand, eighty".