200538594 has 48 divisors (see below), whose sum is σ = 448032312. Its totient is φ = 64779264.

The previous prime is 200538593. The next prime is 200538623. The reversal of 200538594 is 495835002.

It can be written as a sum of positive squares in 4 ways, for example, as 157176369 + 43362225 = 12537^2 + 6585^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200538593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234672 + ... + 235524.

Almost surely, 2^200538594 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200538594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224016156).

200538594 is an abundant number, since it is smaller than the sum of its proper divisors (247493718).

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

200538594 is a wasteful number, since it uses less digits than its factorization.

200538594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 200538594 is about 14161.1649944487. The cubic root of 200538594 is about 585.3280299222.

The spelling of 200538594 in words is "two hundred million, five hundred thirty-eight thousand, five hundred ninety-four".