206473 has 4 divisors (see below), whose sum is σ = 217360. Its totient is φ = 195588.

The previous prime is 206467. The next prime is 206477. The reversal of 206473 is 374602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206473 - 2¹³ = 198281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5415 + ... + 5452.

It is an arithmetic number, because the mean of its divisors is an integer number (54340).

2²⁰⁶⁴⁷³ is an apocalyptic number.

It is an amenable number.

206473 is a deficient number, since it is larger than the sum of its proper divisors (10887).

206473 is a wasteful number, since it uses less digits than its factorization.

206473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10886.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 206473 is about 454.3930017067. The cubic root of 206473 is about 59.1045737091.

The spelling of 206473 in words is "two hundred six thousand, four hundred seventy-three".