616256 has 14 divisors (see below), whose sum is σ = 1223010. Its totient is φ = 308096.

The previous prime is 616243. The next prime is 616261. The reversal of 616256 is 652616.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 1600 = 784^2 + 40^2 .

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 616256.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4751 + ... + 4878.

2⁶¹⁶²⁵⁶ is an apocalyptic number.

It is an amenable number.

616256 is a deficient number, since it is larger than the sum of its proper divisors (606754).

616256 is an equidigital number, since it uses as much as digits as its factorization.

616256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9641 (or 9631 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 616256 is about 785.0197449746. The cubic root of 616256 is about 85.0982025329.

The spelling of 616256 in words is "six hundred sixteen thousand, two hundred fifty-six".