204115392 has 84 divisors (see below), whose sum is σ = 630087640. Its totient is φ = 62802432.

The previous prime is 204115391. The next prime is 204115399. The reversal of 204115392 is 293511402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204115391) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 6142 + ... + 21117.

Almost surely, 2^204115392 is an apocalyptic number.

It is an amenable number.

204115392 is an abundant number, since it is smaller than the sum of its proper divisors (425972248).

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

204115392 is a wasteful number, since it uses less digits than its factorization.

204115392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27290 (or 27277 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 204115392 is about 14286.8958139968. The cubic root of 204115392 is about 588.7875051499.

Adding to 204115392 its reverse (293511402), we get a palindrome (497626794).

The spelling of 204115392 in words is "two hundred four million, one hundred fifteen thousand, three hundred ninety-two".