247206 has 8 divisors (see below), whose sum is σ = 494424. Its totient is φ = 82400.

The previous prime is 247201. The next prime is 247223. The reversal of 247206 is 602742.

It is a happy number.

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

247206 is an admirable number.

It is a super-2 number, since 2×247206² = 122221612872, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 247206.

It is not an unprimeable number, because it can be changed into a prime (247201) 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, 20595 + ... + 20606.

It is an arithmetic number, because the mean of its divisors is an integer number (61803).

2²⁴⁷²⁰⁶ is an apocalyptic number.

247206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

247206 is a wasteful number, since it uses less digits than its factorization.

247206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41206.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 247206 is about 497.1981496345. The cubic root of 247206 is about 62.7604914655.

Adding to 247206 its reverse (602742), we get a palindrome (849948).

The spelling of 247206 in words is "two hundred forty-seven thousand, two hundred six".