206874 has 20 divisors (see below), whose sum is σ = 463914. Its totient is φ = 68904.

The previous prime is 206827. The next prime is 206879. The reversal of 206874 is 478602.

It can be written as a sum of positive squares in only one way, i.e., 164025 + 42849 = 405^2 + 207^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 14.

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

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 9 ways as a sum of consecutive naturals, for example, 477 + ... + 800.

2²⁰⁶⁸⁷⁴ is an apocalyptic number.

206874 is an abundant number, since it is smaller than the sum of its proper divisors (257040).

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

206874 is a wasteful number, since it uses less digits than its factorization.

206874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 206874 is about 454.8340356658. The cubic root of 206874 is about 59.1428121343.

The spelling of 206874 in words is "two hundred six thousand, eight hundred seventy-four".