The number "428" is an integer that follows 427 and precedes 429. It is an even number, meaning it is divisible by 2 without a remainder. In mathematics, 428 can be factored into its prime components, which are 2 and 107, making it a composite number. In various contexts, "428" may refer to specific codes, addresses, or identifiers. For example, in the realm of area codes, 428 could represent a hypothetical region. Additionally, it might appear in product model numbers or as a reference in literature or music.