206402867 has 16 divisors (see below), whose sum is σ = 233088000. Its totient is φ = 181072800.

The previous prime is 206402857. The next prime is 206402923. The reversal of 206402867 is 768204602.

It is a cyclic number.

It is not a de Polignac number, because 206402867 - 2¹⁶ = 206337331 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206402857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169553 + ... + 170765.

It is an arithmetic number, because the mean of its divisors is an integer number (14568000).

Almost surely, 2^206402867 is an apocalyptic number.

206402867 is a deficient number, since it is larger than the sum of its proper divisors (26685133).

206402867 is a wasteful number, since it uses less digits than its factorization.

206402867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 206402867 is about 14366.7277763588. The cubic root of 206402867 is about 590.9788090428.

The spelling of 206402867 in words is "two hundred six million, four hundred two thousand, eight hundred sixty-seven".