616844 has 6 divisors (see below), whose sum is σ = 1079484. Its totient is φ = 308420.

The previous prime is 616843. The next prime is 616849. The reversal of 616844 is 448616.

It is not an unprimeable number, because it can be changed into a prime (616841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77102 + ... + 77109.

It is an arithmetic number, because the mean of its divisors is an integer number (179914).

2⁶¹⁶⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

616844 is a deficient number, since it is larger than the sum of its proper divisors (462640).

616844 is a wasteful number, since it uses less digits than its factorization.

616844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154215 (or 154213 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 616844 is about 785.3941685549. The cubic root of 616844 is about 85.1252593821.

The spelling of 616844 in words is "six hundred sixteen thousand, eight hundred forty-four".