206998107 has 4 divisors (see below), whose sum is σ = 275997480. Its totient is φ = 137998736.

The previous prime is 206998073. The next prime is 206998109. The reversal of 206998107 is 701899602.

206998107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206998107 - 2¹⁹ = 206473819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206998109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34499682 + ... + 34499687.

It is an arithmetic number, because the mean of its divisors is an integer number (68999370).

Almost surely, 2^206998107 is an apocalyptic number.

206998107 is a deficient number, since it is larger than the sum of its proper divisors (68999373).

206998107 is an equidigital number, since it uses as much as digits as its factorization.

206998107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68999372.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 206998107 is about 14387.4287834901. The cubic root of 206998107 is about 591.5463667429.

The spelling of 206998107 in words is "two hundred six million, nine hundred ninety-eight thousand, one hundred seven".