204230437 has 8 divisors (see below), whose sum is σ = 206492760. Its totient is φ = 201976320.

The previous prime is 204230423. The next prime is 204230443. The reversal of 204230437 is 734032402.

It can be written as a sum of positive squares in 4 ways, for example, as 24295041 + 179935396 = 4929^2 + 13414^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204230437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204230497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57139 + ... + 60607.

It is an arithmetic number, because the mean of its divisors is an integer number (25811595).

Almost surely, 2^204230437 is an apocalyptic number.

It is an amenable number.

204230437 is a deficient number, since it is larger than the sum of its proper divisors (2262323).

204230437 is a wasteful number, since it uses less digits than its factorization.

204230437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 204230437 is about 14290.9214888334. The cubic root of 204230437 is about 588.8981032708.

Adding to 204230437 its reverse (734032402), we get a palindrome (938262839).

The spelling of 204230437 in words is "two hundred four million, two hundred thirty thousand, four hundred thirty-seven".