998880960 has 224 divisors, whose sum is σ = 3954304512. Its totient is φ = 207544320.

The previous prime is 998880947. The next prime is 998880979. The reversal of 998880960 is 69088899.

998880960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 998880960.

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, 67164 + ... + 80676.

Almost surely, 2^998880960 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 998880960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1977152256).

998880960 is an abundant number, since it is smaller than the sum of its proper divisors (2955423552).

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

998880960 is a wasteful number, since it uses less digits than its factorization.

998880960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13551 (or 13541 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 57.

The square root of 998880960 is about 31605.0780729933. The cubic root of 998880960 is about 999.6268474412.

The spelling of 998880960 in words is "nine hundred ninety-eight million, eight hundred eighty thousand, nine hundred sixty".