628334 has 16 divisors (see below), whose sum is σ = 1107168. Its totient is φ = 261792.

The previous prime is 628319. The next prime is 628357. The reversal of 628334 is 433826.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 628334.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 89 + ... + 1124.

It is an arithmetic number, because the mean of its divisors is an integer number (69198).

2⁶²⁸³³⁴ is an apocalyptic number.

628334 is a deficient number, since it is larger than the sum of its proper divisors (478834).

628334 is a wasteful number, since it uses less digits than its factorization.

628334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259.

The product of its digits is 3456, while the sum is 26.

The square root of 628334 is about 792.6752172233. The cubic root of 628334 is about 85.6505560671.

The spelling of 628334 in words is "six hundred twenty-eight thousand, three hundred thirty-four".