204467 has 4 divisors (see below), whose sum is σ = 209496. Its totient is φ = 199440.

The previous prime is 204461. The next prime is 204481. The reversal of 204467 is 764402.

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 204467 - 2¹² = 200371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2453 + ... + 2534.

It is an arithmetic number, because the mean of its divisors is an integer number (52374).

2²⁰⁴⁴⁶⁷ is an apocalyptic number.

204467 is a deficient number, since it is larger than the sum of its proper divisors (5029).

204467 is an equidigital number, since it uses as much as digits as its factorization.

204467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 204467 is about 452.1802737847. The cubic root of 204467 is about 58.9125391867.

Adding to 204467 its reverse (764402), we get a palindrome (968869).

The spelling of 204467 in words is "two hundred four thousand, four hundred sixty-seven".