628348 has 12 divisors (see below), whose sum is σ = 1256752. Its totient is φ = 269280.

The previous prime is 628319. The next prime is 628357. The reversal of 628348 is 843826.

It is a happy number.

628348 is an admirable number.

It is a congruent number.

It is an unprimeable number.

628348 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 11193 + ... + 11248.

2⁶²⁸³⁴⁸ is an apocalyptic number.

It is an amenable number.

628348 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

628348 is a wasteful number, since it uses less digits than its factorization.

628348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22452 (or 22450 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 628348 is about 792.6840480292. The cubic root of 628348 is about 85.6511921932.

The spelling of 628348 in words is "six hundred twenty-eight thousand, three hundred forty-eight".