628208338 has 16 divisors (see below), whose sum is σ = 984021696. Its totient is φ = 300221680.

The previous prime is 628208323. The next prime is 628208351. The reversal of 628208338 is 833802826.

628208338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 628208338.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67920 + ... + 76612.

It is an arithmetic number, because the mean of its divisors is an integer number (61501356).

Almost surely, 2^628208338 is an apocalyptic number.

628208338 is a deficient number, since it is larger than the sum of its proper divisors (355813358).

628208338 is a wasteful number, since it uses less digits than its factorization.

628208338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10289.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 628208338 is about 25064.0846232213. The cubic root of 628208338 is about 856.4484586745.

The spelling of 628208338 in words is "six hundred twenty-eight million, two hundred eight thousand, three hundred thirty-eight".