988285580 has 48 divisors (see below), whose sum is σ = 2147819520. Its totient is φ = 381585600.

The previous prime is 988285553. The next prime is 988285603. The reversal of 988285580 is 85582889.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270365 + ... + 273995.

It is an arithmetic number, because the mean of its divisors is an integer number (44746240).

Almost surely, 2^988285580 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 988285580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073909760).

988285580 is an abundant number, since it is smaller than the sum of its proper divisors (1159533940).

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

988285580 is a wasteful number, since it uses less digits than its factorization.

988285580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110 (or 4108 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 53.

The square root of 988285580 is about 31437.0097178469. The cubic root of 988285580 is about 996.0798458056.

The spelling of 988285580 in words is "nine hundred eighty-eight million, two hundred eighty-five thousand, five hundred eighty".