200628 has 18 divisors (see below), whose sum is σ = 507234. Its totient is φ = 66864.

The previous prime is 200609. The next prime is 200639. The reversal of 200628 is 826002.

It can be written as a sum of positive squares in only one way, i.e., 121104 + 79524 = 348^2 + 282^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 200628.

It is a congruent number.

It is an unprimeable number.

200628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2751 + ... + 2822.

2²⁰⁰⁶²⁸ is an apocalyptic number.

It is an amenable number.

200628 is an abundant number, since it is smaller than the sum of its proper divisors (306606).

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

200628 is a wasteful number, since it uses less digits than its factorization.

200628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5583 (or 5578 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 200628 is about 447.9151705401. The cubic root of 200628 is about 58.5415002479.

It can be divided in two parts, 200 and 628, that added together give a palindrome (828).

The spelling of 200628 in words is "two hundred thousand, six hundred twenty-eight".