200390 has 16 divisors (see below), whose sum is σ = 373680. Its totient is φ = 77280.

The previous prime is 200383. The next prime is 200401. The reversal of 200390 is 93002.

It is a happy number.

200390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

200390 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 7 ways as a sum of consecutive naturals, for example, 56 + ... + 635.

It is an arithmetic number, because the mean of its divisors is an integer number (23355).

2²⁰⁰³⁹⁰ is an apocalyptic number.

200390 is a deficient number, since it is larger than the sum of its proper divisors (173290).

200390 is a wasteful number, since it uses less digits than its factorization.

200390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 200390 is about 447.6494163964. The cubic root of 200390 is about 58.5183423136.

Adding to 200390 its reverse (93002), we get a palindrome (293392).

The spelling of 200390 in words is "two hundred thousand, three hundred ninety".