204449 has 4 divisors (see below), whose sum is σ = 233664. Its totient is φ = 175236.

The previous prime is 204443. The next prime is 204461. The reversal of 204449 is 944402.

It is a happy number.

204449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204449 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 0 + 4⁴ + 4⁵ + 4⁸ + 9⁴ .

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 204449.

It is not an unprimeable number, because it can be changed into a prime (204443) 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, 14597 + ... + 14610.

It is an arithmetic number, because the mean of its divisors is an integer number (58416).

2²⁰⁴⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

204449 is a deficient number, since it is larger than the sum of its proper divisors (29215).

204449 is an equidigital number, since it uses as much as digits as its factorization.

204449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29214.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 204449 is about 452.1603697805. The cubic root of 204449 is about 58.9108103717.

The spelling of 204449 in words is "two hundred four thousand, four hundred forty-nine".