204872606 has 4 divisors (see below), whose sum is σ = 307308912. Its totient is φ = 102436302.

The previous prime is 204872567. The next prime is 204872653. The reversal of 204872606 is 606278402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 606278402 = 2 ⋅303139201.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51218150 + ... + 51218153.

It is an arithmetic number, because the mean of its divisors is an integer number (76827228).

Almost surely, 2^204872606 is an apocalyptic number.

204872606 is a deficient number, since it is larger than the sum of its proper divisors (102436306).

204872606 is a wasteful number, since it uses less digits than its factorization.

204872606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102436305.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 204872606 is about 14313.3715804488. The cubic root of 204872606 is about 589.5146885293.

The spelling of 204872606 in words is "two hundred four million, eight hundred seventy-two thousand, six hundred six".