204200439 has 4 divisors (see below), whose sum is σ = 272267256. Its totient is φ = 136133624.

The previous prime is 204200393. The next prime is 204200461. The reversal of 204200439 is 934002402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204200439 - 2²⁰ = 203151863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204200539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34033404 + ... + 34033409.

It is an arithmetic number, because the mean of its divisors is an integer number (68066814).

Almost surely, 2^204200439 is an apocalyptic number.

204200439 is a deficient number, since it is larger than the sum of its proper divisors (68066817).

204200439 is an equidigital number, since it uses as much as digits as its factorization.

204200439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68066816.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 204200439 is about 14289.8719028548. The cubic root of 204200439 is about 588.8692687990.

The spelling of 204200439 in words is "two hundred four million, two hundred thousand, four hundred thirty-nine".