204474 has 16 divisors (see below), whose sum is σ = 417312. Its totient is φ = 66768.

The previous prime is 204461. The next prime is 204481. The reversal of 204474 is 474402.

204474 = T₆₀ + T₆₁ + ... + T₁₁₂.

It is a self number, because there is not a number n which added to its sum of digits gives 204474.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 204474.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4 + ... + 639.

It is an arithmetic number, because the mean of its divisors is an integer number (26082).

2²⁰⁴⁴⁷⁴ is an apocalyptic number.

204474 is an abundant number, since it is smaller than the sum of its proper divisors (212838).

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

204474 is a wasteful number, since it uses less digits than its factorization.

204474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 204474 is about 452.1880139942. The cubic root of 204474 is about 58.9132114762.

Adding to 204474 its reverse (474402), we get a palindrome (678876).

The spelling of 204474 in words is "two hundred four thousand, four hundred seventy-four", and thus it is an iban number.