204616 has 8 divisors (see below), whose sum is σ = 383670. Its totient is φ = 102304.

The previous prime is 204613. The next prime is 204623. The reversal of 204616 is 616402.

204616 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., 202500 + 2116 = 450^2 + 46^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 204593 and 204602.

It is not an unprimeable number, because it can be changed into a prime (204613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12781 + ... + 12796.

2²⁰⁴⁶¹⁶ is an apocalyptic number.

It is an amenable number.

204616 is a deficient number, since it is larger than the sum of its proper divisors (179054).

204616 is a wasteful number, since it uses less digits than its factorization.

204616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25583 (or 25579 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 204616 is about 452.3450010777. The cubic root of 204616 is about 58.9268460381.

It can be divided in two parts, 204 and 616, that added together give a triangular number (820 = T₄₀).

The spelling of 204616 in words is "two hundred four thousand, six hundred sixteen".