616684 has 12 divisors (see below), whose sum is σ = 1087408. Its totient is φ = 306000.

The previous prime is 616673. The next prime is 616703. The reversal of 616684 is 486616.

616684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94 + ... + 1114.

2⁶¹⁶⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

616684 is a deficient number, since it is larger than the sum of its proper divisors (470724).

616684 is a wasteful number, since it uses less digits than its factorization.

616684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1174 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 616684 is about 785.2923022671. The cubic root of 616684 is about 85.1178986776.

The spelling of 616684 in words is "six hundred sixteen thousand, six hundred eighty-four".