628650308 has 48 divisors (see below), whose sum is σ = 1296921024. Its totient is φ = 262861440.

The previous prime is 628650299. The next prime is 628650311. The reversal of 628650308 is 803056826.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179591 + ... + 183057.

It is an arithmetic number, because the mean of its divisors is an integer number (27019188).

Almost surely, 2^628650308 is an apocalyptic number.

It is an amenable number.

628650308 is an abundant number, since it is smaller than the sum of its proper divisors (668270716).

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

628650308 is a wasteful number, since it uses less digits than its factorization.

628650308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812 (or 3810 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 628650308 is about 25072.8998721727. The cubic root of 628650308 is about 856.6492603131.

The spelling of 628650308 in words is "six hundred twenty-eight million, six hundred fifty thousand, three hundred eight".