206288 has 10 divisors (see below), whose sum is σ = 399714. Its totient is φ = 103136.

The previous prime is 206281. The next prime is 206291. The reversal of 206288 is 882602.

It can be written as a sum of positive squares in only one way, i.e., 183184 + 23104 = 428^2 + 152^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206281) by changing a digit.

206288 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 as a sum of consecutive naturals, namely, 6431 + ... + 6462.

2²⁰⁶²⁸⁸ is an apocalyptic number.

It is an amenable number.

206288 is a deficient number, since it is larger than the sum of its proper divisors (193426).

206288 is a wasteful number, since it uses less digits than its factorization.

206288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12901 (or 12895 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 206288 is about 454.1893878109. The cubic root of 206288 is about 59.0869158499.

It can be divided in two parts, 206 and 288, that added together give a palindrome (494).

The spelling of 206288 in words is "two hundred six thousand, two hundred eighty-eight".