206946 has 12 divisors (see below), whose sum is σ = 448422. Its totient is φ = 68976.

The previous prime is 206939. The next prime is 206951. The reversal of 206946 is 649602.

It can be written as a sum of positive squares in only one way, i.e., 168921 + 38025 = 411^2 + 195^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 206946.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 5731 + ... + 5766.

2²⁰⁶⁹⁴⁶ is an apocalyptic number.

206946 is an abundant number, since it is smaller than the sum of its proper divisors (241476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206946 is a wasteful number, since it uses less digits than its factorization.

206946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11505 (or 11502 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 206946 is about 454.9131785297. The cubic root of 206946 is about 59.1496726525.

The spelling of 206946 in words is "two hundred six thousand, nine hundred forty-six".