616884 has 12 divisors (see below), whose sum is σ = 1439424. Its totient is φ = 205624.

The previous prime is 616877. The next prime is 616897. The reversal of 616884 is 488616.

616884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

616884 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25692 + ... + 25715.

It is an arithmetic number, because the mean of its divisors is an integer number (119952).

2⁶¹⁶⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

616884 is an abundant number, since it is smaller than the sum of its proper divisors (822540).

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

616884 is a wasteful number, since it uses less digits than its factorization.

616884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51414 (or 51412 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 616884 is about 785.4196330625. The cubic root of 616884 is about 85.1270993593.

The spelling of 616884 in words is "six hundred sixteen thousand, eight hundred eighty-four".