206028939 has 8 divisors (see below), whose sum is σ = 274946112. Its totient is φ = 137232200.

The previous prime is 206028937. The next prime is 206028959. The reversal of 206028939 is 939820602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206028939 - 2¹ = 206028937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206028897 and 206028906.

It is not an unprimeable number, because it can be changed into a prime (206028931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26037 + ... + 33014.

It is an arithmetic number, because the mean of its divisors is an integer number (34368264).

Almost surely, 2^206028939 is an apocalyptic number.

206028939 is a deficient number, since it is larger than the sum of its proper divisors (68917173).

206028939 is a wasteful number, since it uses less digits than its factorization.

206028939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60217.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 206028939 is about 14353.7081968389. The cubic root of 206028939 is about 590.6217127333.

The spelling of 206028939 in words is "two hundred six million, twenty-eight thousand, nine hundred thirty-nine".