206809848 has 160 divisors (see below), whose sum is σ = 669081600. Its totient is φ = 58459968.

The previous prime is 206809847. The next prime is 206809853. The reversal of 206809848 is 848908602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206809847) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 575893 + ... + 576251.

It is an arithmetic number, because the mean of its divisors is an integer number (4181760).

Almost surely, 2^206809848 is an apocalyptic number.

206809848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206809848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334540800).

206809848 is an abundant number, since it is smaller than the sum of its proper divisors (462271752).

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

206809848 is a wasteful number, since it uses less digits than its factorization.

206809848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 206809848 is about 14380.8848128340. The cubic root of 206809848 is about 591.3669807138.

The spelling of 206809848 in words is "two hundred six million, eight hundred nine thousand, eight hundred forty-eight".