206944 has 24 divisors (see below), whose sum is σ = 423360. Its totient is φ = 99456.

The previous prime is 206939. The next prime is 206951. The reversal of 206944 is 449602.

It is an Ulam number.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817 + ... + 1039.

It is an arithmetic number, because the mean of its divisors is an integer number (17640).

2²⁰⁶⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211680).

206944 is an abundant number, since it is smaller than the sum of its proper divisors (216416).

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

206944 is a wasteful number, since it uses less digits than its factorization.

206944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 206944 is about 454.9109803027. The cubic root of 206944 is about 59.1494821041.

The spelling of 206944 in words is "two hundred six thousand, nine hundred forty-four".