1998588060 has 192 divisors, whose sum is σ = 7170508800. Its totient is φ = 452680704.

The previous prime is 1998588029. The next prime is 1998588061. The reversal of 1998588060 is 608858991.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1998587988 and 1998588006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1998588061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 424801 + ... + 429479.

It is an arithmetic number, because the mean of its divisors is an integer number (37346400).

Almost surely, 2^1998588060 is an apocalyptic number.

1998588060 is a gapful number since it is divisible by the number (10) 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 1998588060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3585254400).

1998588060 is an abundant number, since it is smaller than the sum of its proper divisors (5171920740).

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

1998588060 is a wasteful number, since it uses less digits than its factorization.

1998588060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4817 (or 4809 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The square root of 1998588060 is about 44705.5707938060. The cubic root of 1998588060 is about 1259.6244912756.

The spelling of 1998588060 in words is "one billion, nine hundred ninety-eight million, five hundred eighty-eight thousand, sixty".