204892172 has 6 divisors (see below), whose sum is σ = 358561308. Its totient is φ = 102446084.

The previous prime is 204892159. The next prime is 204892213. The reversal of 204892172 is 271298402.

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 as a sum of consecutive naturals, namely, 25611518 + ... + 25611525.

It is an arithmetic number, because the mean of its divisors is an integer number (59760218).

Almost surely, 2^204892172 is an apocalyptic number.

It is an amenable number.

204892172 is a deficient number, since it is larger than the sum of its proper divisors (153669136).

204892172 is a wasteful number, since it uses less digits than its factorization.

204892172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51223047 (or 51223045 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 204892172 is about 14314.0550508932. The cubic root of 204892172 is about 589.5334547884.

The spelling of 204892172 in words is "two hundred four million, eight hundred ninety-two thousand, one hundred seventy-two".