605280 has 96 divisors (see below), whose sum is σ = 2074464. Its totient is φ = 147456.

The previous prime is 605261. The next prime is 605309. The reversal of 605280 is 82506.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

605280 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6192 + ... + 6288.

It is an arithmetic number, because the mean of its divisors is an integer number (21609).

2⁶⁰⁵²⁸⁰ is an apocalyptic number.

605280 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 605280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037232).

605280 is an abundant number, since it is smaller than the sum of its proper divisors (1469184).

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

605280 is a wasteful number, since it uses less digits than its factorization.

605280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 605280 is about 777.9974293017. The cubic root of 605280 is about 84.5899512457.

Adding to 605280 its reverse (82506), we get a palindrome (687786).

The spelling of 605280 in words is "six hundred five thousand, two hundred eighty".