206936 has 8 divisors (see below), whose sum is σ = 388020. Its totient is φ = 103464.

The previous prime is 206933. The next prime is 206939. The reversal of 206936 is 639602.

It is an interprime number because it is at equal distance from previous prime (206933) and next prime (206939).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 206936.

It is not an unprimeable number, because it can be changed into a prime (206933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12926 + ... + 12941.

2²⁰⁶⁹³⁶ is an apocalyptic number.

It is an amenable number.

206936 is a deficient number, since it is larger than the sum of its proper divisors (181084).

206936 is a wasteful number, since it uses less digits than its factorization.

206936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25873 (or 25869 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 206936 is about 454.9021872887. The cubic root of 206936 is about 59.1487198979.

The spelling of 206936 in words is "two hundred six thousand, nine hundred thirty-six".