206849797 has 16 divisors (see below), whose sum is σ = 264184704. Its totient is φ = 157248000.

The previous prime is 206849749. The next prime is 206849801. The reversal of 206849797 is 797948602.

It is not a de Polignac number, because 206849797 - 2¹⁵ = 206817029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206849497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29604 + ... + 35917.

It is an arithmetic number, because the mean of its divisors is an integer number (16511544).

Almost surely, 2^206849797 is an apocalyptic number.

It is an amenable number.

206849797 is a deficient number, since it is larger than the sum of its proper divisors (57334907).

206849797 is a wasteful number, since it uses less digits than its factorization.

206849797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65580.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 206849797 is about 14382.2737075888. The cubic root of 206849797 is about 591.4050559453.

The spelling of 206849797 in words is "two hundred six million, eight hundred forty-nine thousand, seven hundred ninety-seven".