200904 has 32 divisors (see below), whose sum is σ = 548640. Its totient is φ = 60800.

The previous prime is 200903. The next prime is 200909. The reversal of 200904 is 409002.

200904 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (200903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117 + ... + 644.

It is an arithmetic number, because the mean of its divisors is an integer number (17145).

2²⁰⁰⁹⁰⁴ is an apocalyptic number.

200904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

200904 is an abundant number, since it is smaller than the sum of its proper divisors (347736).

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

200904 is a wasteful number, since it uses less digits than its factorization.

200904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 200904 is about 448.2231587056. The cubic root of 200904 is about 58.5683327448.

Adding to 200904 its reverse (409002), we get a palindrome (609906).

The spelling of 200904 in words is "two hundred thousand, nine hundred four".