616878 has 24 divisors (see below), whose sum is σ = 1369368. Its totient is φ = 200592.

The previous prime is 616877. The next prime is 616897. The reversal of 616878 is 878616.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376 + ... + 1172.

It is an arithmetic number, because the mean of its divisors is an integer number (57057).

2⁶¹⁶⁸⁷⁸ is an apocalyptic number.

616878 is an abundant number, since it is smaller than the sum of its proper divisors (752490).

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

616878 is a wasteful number, since it uses less digits than its factorization.

616878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 845 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 616878 is about 785.4158134390. The cubic root of 616878 is about 85.1268233678.

The spelling of 616878 in words is "six hundred sixteen thousand, eight hundred seventy-eight".