204639035 has 12 divisors (see below), whose sum is σ = 248405088. Its totient is φ = 161840448.

The previous prime is 204639031. The next prime is 204639041. The reversal of 204639035 is 530936402.

204639035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204639035 - 2² = 204639031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204638992 and 204639010.

It is not an unprimeable number, because it can be changed into a prime (204639031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37022 + ... + 42188.

It is an arithmetic number, because the mean of its divisors is an integer number (20700424).

Almost surely, 2^204639035 is an apocalyptic number.

204639035 is a deficient number, since it is larger than the sum of its proper divisors (43766053).

204639035 is an frugal number, since it uses more digits than its factorization.

204639035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350 (or 5261 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 204639035 is about 14305.2100648680. The cubic root of 204639035 is about 589.2905721896.

The spelling of 204639035 in words is "two hundred four million, six hundred thirty-nine thousand, thirty-five".