204423992 has 8 divisors (see below), whose sum is σ = 383295000. Its totient is φ = 102211992.

The previous prime is 204423979. The next prime is 204424007. The reversal of 204423992 is 299324402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12776492 + ... + 12776507.

It is an arithmetic number, because the mean of its divisors is an integer number (47911875).

Almost surely, 2^204423992 is an apocalyptic number.

It is an amenable number.

204423992 is a deficient number, since it is larger than the sum of its proper divisors (178871008).

204423992 is a wasteful number, since it uses less digits than its factorization.

204423992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25553005 (or 25553001 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 204423992 is about 14297.6918416925. The cubic root of 204423992 is about 589.0840830302.

The spelling of 204423992 in words is "two hundred four million, four hundred twenty-three thousand, nine hundred ninety-two".