616044 has 48 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 171840.

The previous prime is 616027. The next prime is 616051. The reversal of 616044 is 440616.

616044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 616044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1537 + ... + 1895.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2⁶¹⁶⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846720).

616044 is an abundant number, since it is smaller than the sum of its proper divisors (1077396).

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

616044 is a wasteful number, since it uses less digits than its factorization.

616044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 616044 is about 784.8847049089. The cubic root of 616044 is about 85.0884431211.

It can be divided in two parts, 61 and 6044, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 616044 in words is "six hundred sixteen thousand, forty-four".