616828308 has 12 divisors (see below), whose sum is σ = 1439266080. Its totient is φ = 205609432.

The previous prime is 616828307. The next prime is 616828339. The reversal of 616828308 is 803828616.

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

It is a self number, because there is not a number n which added to its sum of digits gives 616828308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616828301) 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 3 ways as a sum of consecutive naturals, for example, 25701168 + ... + 25701191.

It is an arithmetic number, because the mean of its divisors is an integer number (119938840).

Almost surely, 2^616828308 is an apocalyptic number.

It is an amenable number.

616828308 is an abundant number, since it is smaller than the sum of its proper divisors (822437772).

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

616828308 is a wasteful number, since it uses less digits than its factorization.

616828308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51402366 (or 51402364 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 616828308 is about 24836.0284264614. The cubic root of 616828308 is about 851.2453753730.

The spelling of 616828308 in words is "six hundred sixteen million, eight hundred twenty-eight thousand, three hundred eight".