616608 has 36 divisors (see below), whose sum is σ = 1754298. Its totient is φ = 205440.

The previous prime is 616597. The next prime is 616639. The reversal of 616608 is 806616.

It can be written as a sum of positive squares in only one way, i.e., 374544 + 242064 = 612^2 + 492^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 616608.

It is an unprimeable number.

616608 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 783 + ... + 1358.

2⁶¹⁶⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

616608 is an abundant number, since it is smaller than the sum of its proper divisors (1137690).

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

616608 is a wasteful number, since it uses less digits than its factorization.

616608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 616608 is about 785.2439111512. The cubic root of 616608 is about 85.1144018969.

The spelling of 616608 in words is "six hundred sixteen thousand, six hundred eight".