998480784 has 160 divisors (see below), whose sum is σ = 3142656000. Its totient is φ = 266973696.

The previous prime is 998480773. The next prime is 998480827. The reversal of 998480784 is 487084899.

998480784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361842 + ... + 364590.

It is an arithmetic number, because the mean of its divisors is an integer number (19641600).

Almost surely, 2^998480784 is an apocalyptic number.

998480784 is a gapful number since it is divisible by the number (94) 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 998480784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1571328000).

998480784 is an abundant number, since it is smaller than the sum of its proper divisors (2144175216).

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

998480784 is a wasteful number, since it uses less digits than its factorization.

998480784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 998480784 is about 31598.7465574190. The cubic root of 998480784 is about 999.4933380036.

The spelling of 998480784 in words is "nine hundred ninety-eight million, four hundred eighty thousand, seven hundred eighty-four".