988306480 has 80 divisors (see below), whose sum is σ = 2679739200. Its totient is φ = 338838528.

The previous prime is 988306469. The next prime is 988306493. The reversal of 988306480 is 84603889.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 988306480.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9432 + ... + 45448.

It is an arithmetic number, because the mean of its divisors is an integer number (33496740).

Almost surely, 2^988306480 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 988306480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339869600).

988306480 is an abundant number, since it is smaller than the sum of its proper divisors (1691432720).

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

988306480 is a wasteful number, since it uses less digits than its factorization.

988306480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36051 (or 36031 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 988306480 is about 31437.3421268402. The cubic root of 988306480 is about 996.0868673664.

The spelling of 988306480 in words is "nine hundred eighty-eight million, three hundred six thousand, four hundred eighty".