204673506 has 16 divisors (see below), whose sum is σ = 433426464. Its totient is φ = 64211264.

The previous prime is 204673477. The next prime is 204673541. The reversal of 204673506 is 605376402.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003200 + ... + 1003403.

It is an arithmetic number, because the mean of its divisors is an integer number (27089154).

Almost surely, 2^204673506 is an apocalyptic number.

204673506 is an abundant number, since it is smaller than the sum of its proper divisors (228752958).

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

204673506 is a wasteful number, since it uses less digits than its factorization.

204673506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006625.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 204673506 is about 14306.4148548824. The cubic root of 204673506 is about 589.3236585700.

The spelling of 204673506 in words is "two hundred four million, six hundred seventy-three thousand, five hundred six".