204367172 has 6 divisors (see below), whose sum is σ = 357642558. Its totient is φ = 102183584.

The previous prime is 204367151. The next prime is 204367187. The reversal of 204367172 is 271763402.

It can be written as a sum of positive squares in only one way, i.e., 196392196 + 7974976 = 14014^2 + 2824^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25545893 + ... + 25545900.

It is an arithmetic number, because the mean of its divisors is an integer number (59607093).

Almost surely, 2^204367172 is an apocalyptic number.

It is an amenable number.

204367172 is a deficient number, since it is larger than the sum of its proper divisors (153275386).

204367172 is a wasteful number, since it uses less digits than its factorization.

204367172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51091797 (or 51091795 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 204367172 is about 14295.7046695852. The cubic root of 204367172 is about 589.0294989948.

The spelling of 204367172 in words is "two hundred four million, three hundred sixty-seven thousand, one hundred seventy-two".