628330 has 16 divisors (see below), whose sum is σ = 1190880. Its totient is φ = 238032.

The previous prime is 628319. The next prime is 628357. The reversal of 628330 is 33826.

628330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1464 + ... + 1843.

It is an arithmetic number, because the mean of its divisors is an integer number (74430).

2⁶²⁸³³⁰ is an apocalyptic number.

628330 is a deficient number, since it is larger than the sum of its proper divisors (562550).

628330 is a wasteful number, since it uses less digits than its factorization.

628330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 628330 is about 792.6726941178. The cubic root of 628330 is about 85.6503743151.

The spelling of 628330 in words is "six hundred twenty-eight thousand, three hundred thirty".