206146 has 8 divisors (see below), whose sum is σ = 314640. Its totient is φ = 101268.

The previous prime is 206123. The next prime is 206153. The reversal of 206146 is 641602.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 756 + ... + 991.

It is an arithmetic number, because the mean of its divisors is an integer number (39330).

2²⁰⁶¹⁴⁶ is an apocalyptic number.

206146 is a deficient number, since it is larger than the sum of its proper divisors (108494).

206146 is a wasteful number, since it uses less digits than its factorization.

206146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 206146 is about 454.0330384454. The cubic root of 206146 is about 59.0733550870.

Adding to 206146 its reverse (641602), we get a palindrome (847748).

The spelling of 206146 in words is "two hundred six thousand, one hundred forty-six".