605988 has 48 divisors (see below), whose sum is σ = 1630720. Its totient is φ = 194400.

The previous prime is 605987. The next prime is 605993. The reversal of 605988 is 889506.

605988 is a `hidden beast` number, since 60 + 598 + 8 = 666.

605988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×605988² = 734442912288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (605987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3258 + ... + 3438.

2⁶⁰⁵⁹⁸⁸ 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 605988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815360).

605988 is an abundant number, since it is smaller than the sum of its proper divisors (1024732).

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

605988 is a wasteful number, since it uses less digits than its factorization.

605988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 605988 is about 778.4523106781. The cubic root of 605988 is about 84.6229202020.

It can be divided in two parts, 60598 and 8, that added together give a palindrome (60606).

The spelling of 605988 in words is "six hundred five thousand, nine hundred eighty-eight".