204392238 has 32 divisors (see below), whose sum is σ = 426746880. Its totient is φ = 65186880.

The previous prime is 204392233. The next prime is 204392239. The reversal of 204392238 is 832293402.

It is a junction number, because it is equal to n+sod(n) for n = 204392199 and 204392208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204392233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10381 + ... + 22727.

It is an arithmetic number, because the mean of its divisors is an integer number (13335840).

Almost surely, 2^204392238 is an apocalyptic number.

204392238 is an abundant number, since it is smaller than the sum of its proper divisors (222354642).

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

204392238 is a wasteful number, since it uses less digits than its factorization.

204392238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12472.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 204392238 is about 14296.5813396070. The cubic root of 204392238 is about 589.0535798516.

The spelling of 204392238 in words is "two hundred four million, three hundred ninety-two thousand, two hundred thirty-eight".