206340860 has 48 divisors (see below), whose sum is σ = 485503200. Its totient is φ = 73002240.

The previous prime is 206340859. The next prime is 206340863. The reversal of 206340860 is 68043602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206340863) 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 15 ways as a sum of consecutive naturals, for example, 4535 + ... + 20814.

It is an arithmetic number, because the mean of its divisors is an integer number (10114650).

Almost surely, 2^206340860 is an apocalyptic number.

206340860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206340860 is an abundant number, since it is smaller than the sum of its proper divisors (279162340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206340860 is a wasteful number, since it uses less digits than its factorization.

206340860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25406 (or 25404 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 206340860 is about 14364.5696071967. The cubic root of 206340860 is about 590.9196230219.

The spelling of 206340860 in words is "two hundred six million, three hundred forty thousand, eight hundred sixty".