605616 has 80 divisors (see below), whose sum is σ = 1809408. Its totient is φ = 172800.

The previous prime is 605609. The next prime is 605617. The reversal of 605616 is 616506.

605616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (605617) 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, 16350 + ... + 16386.

2⁶⁰⁵⁶¹⁶ is an apocalyptic number.

605616 is a gapful number since it is divisible by the number (66) 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 605616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (904704).

605616 is an abundant number, since it is smaller than the sum of its proper divisors (1203792).

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

605616 is a wasteful number, since it uses less digits than its factorization.

605616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 605616 is about 778.2133383591. The cubic root of 605616 is about 84.6056007336.

It can be divided in two parts, 605 and 616, that added together give a palindrome (1221).

The spelling of 605616 in words is "six hundred five thousand, six hundred sixteen".