616244 has 6 divisors (see below), whose sum is σ = 1078434. Its totient is φ = 308120.

The previous prime is 616243. The next prime is 616261. The reversal of 616244 is 442616.

It is a happy number.

616244 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., 547600 + 68644 = 740^2 + 262^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77027 + ... + 77034.

It is an arithmetic number, because the mean of its divisors is an integer number (179739).

2⁶¹⁶²⁴⁴ is an apocalyptic number.

It is an amenable number.

616244 is a deficient number, since it is larger than the sum of its proper divisors (462190).

616244 is a wasteful number, since it uses less digits than its factorization.

616244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154065 (or 154063 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 616244 is about 785.0121018175. The cubic root of 616244 is about 85.0976501731.

The spelling of 616244 in words is "six hundred sixteen thousand, two hundred forty-four".