605880 has 160 divisors (see below), whose sum is σ = 2352240. Its totient is φ = 138240.

The previous prime is 605879. The next prime is 605887. The reversal of 605880 is 88506.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 605880.

It is not an unprimeable number, because it can be changed into a prime (605887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35632 + ... + 35648.

2⁶⁰⁵⁸⁸⁰ is an apocalyptic number.

605880 is a gapful number since it is divisible by the number (60) 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 605880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176120).

605880 is an abundant number, since it is smaller than the sum of its proper divisors (1746360).

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

605880 is a wasteful number, since it uses less digits than its factorization.

605880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 605880 is about 778.3829391758. The cubic root of 605880 is about 84.6178926995.

It can be divided in two parts, 605 and 880, that added together give a triangular number (1485 = T₅₄).

The spelling of 605880 in words is "six hundred five thousand, eight hundred eighty".