247006 has 4 divisors (see below), whose sum is σ = 370512. Its totient is φ = 123502.

The previous prime is 247001. The next prime is 247007. The reversal of 247006 is 600742.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×247006² = 122023928072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247001) by changing a digit.

247006 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61750 + ... + 61753.

It is an arithmetic number, because the mean of its divisors is an integer number (92628).

2²⁴⁷⁰⁰⁶ is an apocalyptic number.

247006 is a deficient number, since it is larger than the sum of its proper divisors (123506).

247006 is a wasteful number, since it uses less digits than its factorization.

247006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123505.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 247006 is about 496.9969818822. The cubic root of 247006 is about 62.7435616109.

Adding to 247006 its reverse (600742), we get a palindrome (847748).

The spelling of 247006 in words is "two hundred forty-seven thousand, six".