200493 has 6 divisors (see below), whose sum is σ = 289614. Its totient is φ = 133656.

The previous prime is 200483. The next prime is 200513. The reversal of 200493 is 394002.

It can be written as a sum of positive squares in only one way, i.e., 191844 + 8649 = 438^2 + 93^2 .

It is not a de Polignac number, because 200493 - 2⁵ = 200461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11130 + ... + 11147.

It is an arithmetic number, because the mean of its divisors is an integer number (48269).

2²⁰⁰⁴⁹³ is an apocalyptic number.

It is an amenable number.

200493 is a deficient number, since it is larger than the sum of its proper divisors (89121).

200493 is a wasteful number, since it uses less digits than its factorization.

200493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22283 (or 22280 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 200493 is about 447.7644470031. The cubic root of 200493 is about 58.5283666942.

Adding to 200493 its reverse (394002), we get a palindrome (594495).

The spelling of 200493 in words is "two hundred thousand, four hundred ninety-three".