206230689 has 72 divisors (see below), whose sum is σ = 370875648. Its totient is φ = 108103680.

The previous prime is 206230679. The next prime is 206230699. The reversal of 206230689 is 986032602.

206230689 is a `hidden beast` number, since 20 + 623 + 0 + 6 + 8 + 9 = 666.

206230689 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (206230679) and next prime (206230699).

It is not a de Polignac number, because 206230689 - 2⁵ = 206230657 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (206230649) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 855609 + ... + 855849.

Almost surely, 2^206230689 is an apocalyptic number.

It is an amenable number.

206230689 is a deficient number, since it is larger than the sum of its proper divisors (164644959).

206230689 is a wasteful number, since it uses less digits than its factorization.

206230689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 206230689 is about 14360.7342778843. The cubic root of 206230689 is about 590.8144349432.

The spelling of 206230689 in words is "two hundred six million, two hundred thirty thousand, six hundred eighty-nine".