628833 has 8 divisors (see below), whose sum is σ = 842688. Its totient is φ = 417104.

The previous prime is 628819. The next prime is 628841. The reversal of 628833 is 338826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 628833 - 2⁵ = 628801 is a prime.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 628833.

It is not an unprimeable number, because it can be changed into a prime (621833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391 + ... + 1187.

It is an arithmetic number, because the mean of its divisors is an integer number (105336).

2⁶²⁸⁸³³ is an apocalyptic number.

It is an amenable number.

628833 is a deficient number, since it is larger than the sum of its proper divisors (213855).

628833 is a wasteful number, since it uses less digits than its factorization.

628833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063.

The product of its digits is 6912, while the sum is 30.

The square root of 628833 is about 792.9899116634. The cubic root of 628833 is about 85.6732235860.

The spelling of 628833 in words is "six hundred twenty-eight thousand, eight hundred thirty-three".