605648 has 10 divisors (see below), whose sum is σ = 1173474. Its totient is φ = 302816.

The previous prime is 605641. The next prime is 605687. The reversal of 605648 is 846506.

605648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 322624 + 283024 = 568^2 + 532^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 605648.

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 605648.

It is not an unprimeable number, because it can be changed into a prime (605641) by changing a digit.

605648 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 as a sum of consecutive naturals, namely, 18911 + ... + 18942.

2⁶⁰⁵⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

605648 is a deficient number, since it is larger than the sum of its proper divisors (567826).

605648 is a wasteful number, since it uses less digits than its factorization.

605648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37861 (or 37855 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 605648 is about 778.2338980024. The cubic root of 605648 is about 84.6070908591.

The spelling of 605648 in words is "six hundred five thousand, six hundred forty-eight".