988580 has 12 divisors (see below), whose sum is σ = 2076060. Its totient is φ = 395424.

The previous prime is 988579. The next prime is 988583. The reversal of 988580 is 85889.

988580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 481636 + 506944 = 694^2 + 712^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 988580.

It is not an unprimeable number, because it can be changed into a prime (988583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24695 + ... + 24734.

It is an arithmetic number, because the mean of its divisors is an integer number (173005).

2⁹⁸⁸⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

988580 is an abundant number, since it is smaller than the sum of its proper divisors (1087480).

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

988580 is a wasteful number, since it uses less digits than its factorization.

988580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49438 (or 49436 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 988580 is about 994.2736041955. The cubic root of 988580 is about 99.6178749981.

The spelling of 988580 in words is "nine hundred eighty-eight thousand, five hundred eighty".