206828838 has 24 divisors (see below), whose sum is σ = 462586176. Its totient is φ = 66718800.

The previous prime is 206828833. The next prime is 206828849. The reversal of 206828838 is 838828602.

It is a junction number, because it is equal to n+sod(n) for n = 206828793 and 206828802.

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 11 ways as a sum of consecutive naturals, for example, 184773 + ... + 185888.

It is an arithmetic number, because the mean of its divisors is an integer number (19274424).

Almost surely, 2^206828838 is an apocalyptic number.

206828838 is an abundant number, since it is smaller than the sum of its proper divisors (255757338).

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

206828838 is a wasteful number, since it uses less digits than its factorization.

206828838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370700 (or 370697 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 206828838 is about 14381.5450491246. The cubic root of 206828838 is about 591.3850806179.

The spelling of 206828838 in words is "two hundred six million, eight hundred twenty-eight thousand, eight hundred thirty-eight".