200591028 has 72 divisors (see below), whose sum is σ = 572251680. Its totient is φ = 58685760.

The previous prime is 200591011. The next prime is 200591051. The reversal of 200591028 is 820195002.

It is a junction number, because it is equal to n+sod(n) for n = 200590992 and 200591010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2751 + ... + 20217.

It is an arithmetic number, because the mean of its divisors is an integer number (7947940).

Almost surely, 2^200591028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200591028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286125840).

200591028 is an abundant number, since it is smaller than the sum of its proper divisors (371660652).

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

200591028 is a wasteful number, since it uses less digits than its factorization.

200591028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17517 (or 17512 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 200591028 is about 14163.0162041848. The cubic root of 200591028 is about 585.3790399128.

The spelling of 200591028 in words is "two hundred million, five hundred ninety-one thousand, twenty-eight".