206854 has 8 divisors (see below), whose sum is σ = 315720. Its totient is φ = 101616.

The previous prime is 206827. The next prime is 206879. The reversal of 206854 is 458602.

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

It is a plaindrome in base 9.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

206854 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759 + ... + 994.

It is an arithmetic number, because the mean of its divisors is an integer number (39465).

2²⁰⁶⁸⁵⁴ is an apocalyptic number.

206854 is a deficient number, since it is larger than the sum of its proper divisors (108866).

206854 is a wasteful number, since it uses less digits than its factorization.

206854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 206854 is about 454.8120490928. The cubic root of 206854 is about 59.1409061523.

The spelling of 206854 in words is "two hundred six thousand, eight hundred fifty-four".