605320 has 32 divisors (see below), whose sum is σ = 1402200. Its totient is φ = 235008.

The previous prime is 605309. The next prime is 605323. The reversal of 605320 is 23506.

It can be written as a sum of positive squares in 4 ways, for example, as 605284 + 36 = 778^2 + 6^2 .

It is a junction number, because it is equal to n+sod(n) for n = 605294 and 605303.

It is not an unprimeable number, because it can be changed into a prime (605323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276 + ... + 1684.

2⁶⁰⁵³²⁰ 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 605320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701100).

605320 is an abundant number, since it is smaller than the sum of its proper divisors (796880).

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

605320 is a wasteful number, since it uses less digits than its factorization.

605320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 605320 is about 778.0231359028. The cubic root of 605320 is about 84.5918145836.

Adding to 605320 its reverse (23506), we get a palindrome (628826).

It can be divided in two parts, 605 and 320, that multiplied together give a square (193600 = 440²).

The spelling of 605320 in words is "six hundred five thousand, three hundred twenty".