616304 has 20 divisors (see below), whose sum is σ = 1286376. Its totient is φ = 284352.

The previous prime is 616289. The next prime is 616307. The reversal of 616304 is 403616.

616304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274 + ... + 1689.

2⁶¹⁶³⁰⁴ is an apocalyptic number.

It is an amenable number.

616304 is an abundant number, since it is smaller than the sum of its proper divisors (670072).

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

616304 is a wasteful number, since it uses less digits than its factorization.

616304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 616304 is about 785.0503168587. The cubic root of 616304 is about 85.1004119002.

The spelling of 616304 in words is "six hundred sixteen thousand, three hundred four".