206867097 has 6 divisors (see below), whose sum is σ = 298808042. Its totient is φ = 137911392.

The previous prime is 206867093. The next prime is 206867107. The reversal of 206867097 is 790768602.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 107246736 + 99620361 = 10356^2 + 9981^2 .

It is not a de Polignac number, because 206867097 - 2² = 206867093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206867093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11492608 + ... + 11492625.

Almost surely, 2^206867097 is an apocalyptic number.

It is an amenable number.

206867097 is a deficient number, since it is larger than the sum of its proper divisors (91940945).

206867097 is a wasteful number, since it uses less digits than its factorization.

206867097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22985239 (or 22985236 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 206867097 is about 14382.8751298202. The cubic root of 206867097 is about 591.4215429847.

The spelling of 206867097 in words is "two hundred six million, eight hundred sixty-seven thousand, ninety-seven".