206872 has 16 divisors (see below), whose sum is σ = 408600. Its totient is φ = 97920.

The previous prime is 206827. The next prime is 206879. The reversal of 206872 is 278602.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206879) by changing a digit.

206872 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, 529 + ... + 832.

2²⁰⁶⁸⁷² is an apocalyptic number.

It is an amenable number.

206872 is a deficient number, since it is larger than the sum of its proper divisors (201728).

206872 is a wasteful number, since it uses less digits than its factorization.

206872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 206872 is about 454.8318370563. The cubic root of 206872 is about 59.1426215416.

The spelling of 206872 in words is "two hundred six thousand, eight hundred seventy-two".