628203 has 4 divisors (see below), whose sum is σ = 837608. Its totient is φ = 418800.

The previous prime is 628193. The next prime is 628207. The reversal of 628203 is 302826.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 628203 - 2⁵ = 628171 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 628203.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 628203.

It is not an unprimeable number, because it can be changed into a prime (628207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104698 + ... + 104703.

It is an arithmetic number, because the mean of its divisors is an integer number (209402).

2⁶²⁸²⁰³ is an apocalyptic number.

628203 is a deficient number, since it is larger than the sum of its proper divisors (209405).

628203 is a wasteful number, since it uses less digits than its factorization.

628203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209404.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 628203 is about 792.5925813430. The cubic root of 628203 is about 85.6446032868.

The spelling of 628203 in words is "six hundred twenty-eight thousand, two hundred three".