204942592 has 18 divisors (see below), whose sum is σ = 409085138. Its totient is φ = 102471168.

The previous prime is 204942589. The next prime is 204942611. The reversal of 204942592 is 295249402.

It can be written as a sum of positive squares in only one way, i.e., 152176896 + 52765696 = 12336^2 + 7264^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 400023 + ... + 400534.

Almost surely, 2^204942592 is an apocalyptic number.

It is an amenable number.

204942592 is a deficient number, since it is larger than the sum of its proper divisors (204142546).

204942592 is an frugal number, since it uses more digits than its factorization.

204942592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800573 (or 800559 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 204942592 is about 14315.8161485820. The cubic root of 204942592 is about 589.5818084153.

The spelling of 204942592 in words is "two hundred four million, nine hundred forty-two thousand, five hundred ninety-two".