206828839 has 8 divisors (see below), whose sum is σ = 241873280. Its totient is φ = 173158776.

The previous prime is 206828833. The next prime is 206828849. The reversal of 206828839 is 938828602.

It is a happy number.

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

It is not a de Polignac number, because 206828839 - 2¹¹ = 206826791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206828833) 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, 343269 + ... + 343870.

It is an arithmetic number, because the mean of its divisors is an integer number (30234160).

Almost surely, 2^206828839 is an apocalyptic number.

206828839 is a deficient number, since it is larger than the sum of its proper divisors (35044441).

206828839 is an equidigital number, since it uses as much as digits as its factorization.

206828839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687189.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 206828839 is about 14381.5450838914. The cubic root of 206828839 is about 591.3850815710.

The spelling of 206828839 in words is "two hundred six million, eight hundred twenty-eight thousand, eight hundred thirty-nine".