247066 has 16 divisors (see below), whose sum is σ = 399168. Its totient is φ = 114400.

The previous prime is 247031. The next prime is 247067. The reversal of 247066 is 660742.

247066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247066² = 122083216712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247067) 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, 1821 + ... + 1951.

It is an arithmetic number, because the mean of its divisors is an integer number (24948).

2²⁴⁷⁰⁶⁶ is an apocalyptic number.

247066 is a deficient number, since it is larger than the sum of its proper divisors (152102).

247066 is a wasteful number, since it uses less digits than its factorization.

247066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 247066 is about 497.0573407566. The cubic root of 247066 is about 62.7486415265.

The spelling of 247066 in words is "two hundred forty-seven thousand, sixty-six".