206471 has 8 divisors (see below), whose sum is σ = 221184. Its totient is φ = 192280.

The previous prime is 206467. The next prime is 206477. The reversal of 206471 is 174602.

206471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206471 - 2² = 206467 is a prime.

It is a super-3 number, since 3×206471³ = 26405745810675333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 986 + ... + 1176.

It is an arithmetic number, because the mean of its divisors is an integer number (27648).

2²⁰⁶⁴⁷¹ is an apocalyptic number.

206471 is a deficient number, since it is larger than the sum of its proper divisors (14713).

206471 is a wasteful number, since it uses less digits than its factorization.

206471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 206471 is about 454.3908009632. The cubic root of 206471 is about 59.1043828698.

The spelling of 206471 in words is "two hundred six thousand, four hundred seventy-one".