616828 has 24 divisors (see below), whose sum is σ = 1173312. Its totient is φ = 282624.

The previous prime is 616799. The next prime is 616829. The reversal of 616828 is 828616.

It is a self number, because there is not a number n which added to its sum of digits gives 616828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616829) 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 7 ways as a sum of consecutive naturals, for example, 3100 + ... + 3292.

It is an arithmetic number, because the mean of its divisors is an integer number (48888).

2⁶¹⁶⁸²⁸ is an apocalyptic number.

616828 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

616828 is a deficient number, since it is larger than the sum of its proper divisors (556484).

616828 is a wasteful number, since it uses less digits than its factorization.

616828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 259 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 616828 is about 785.3839825207. The cubic root of 616828 is about 85.1245233689.

It can be divided in two parts, 616 and 828, that added together give a square (1444 = 38²).

The spelling of 616828 in words is "six hundred sixteen thousand, eight hundred twenty-eight".