206829189 has 48 divisors (see below), whose sum is σ = 357926400. Its totient is φ = 112589568.

The previous prime is 206829137. The next prime is 206829197. The reversal of 206829189 is 981928602.

It is not a de Polignac number, because 206829189 - 2⁷ = 206829061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206829199) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143617 + ... + 145049.

It is an arithmetic number, because the mean of its divisors is an integer number (7456800).

Almost surely, 2^206829189 is an apocalyptic number.

206829189 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

206829189 is a deficient number, since it is larger than the sum of its proper divisors (151097211).

206829189 is a wasteful number, since it uses less digits than its factorization.

206829189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 206829189 is about 14381.5572522589. The cubic root of 206829189 is about 591.3854151555.

The spelling of 206829189 in words is "two hundred six million, eight hundred twenty-nine thousand, one hundred eighty-nine".