206935085 has 24 divisors (see below), whose sum is σ = 290306016. Its totient is φ = 141190560.

The previous prime is 206935073. The next prime is 206935087. The reversal of 206935085 is 580539602.

It is not a de Polignac number, because 206935085 - 2⁶ = 206935021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206935087) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 49694 + ... + 53696.

It is an arithmetic number, because the mean of its divisors is an integer number (12096084).

Almost surely, 2^206935085 is an apocalyptic number.

It is an amenable number.

206935085 is a deficient number, since it is larger than the sum of its proper divisors (83370931).

206935085 is a wasteful number, since it uses less digits than its factorization.

206935085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233 (or 4226 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 206935085 is about 14385.2384408462. The cubic root of 206935085 is about 591.4863271935.

The spelling of 206935085 in words is "two hundred six million, nine hundred thirty-five thousand, eighty-five".