247056 has 20 divisors (see below), whose sum is σ = 638352. Its totient is φ = 82336.

The previous prime is 247031. The next prime is 247067. The reversal of 247056 is 650742.

It is a happy number.

247056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247056² = 122073334272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

247056 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526 + ... + 2621.

2²⁴⁷⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

247056 is an abundant number, since it is smaller than the sum of its proper divisors (391296).

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

247056 is a wasteful number, since it uses less digits than its factorization.

247056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5158 (or 5152 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 247056 is about 497.0472814532. The cubic root of 247056 is about 62.7477949311.

Adding to 247056 its reverse (650742), we get a palindrome (897798).

The spelling of 247056 in words is "two hundred forty-seven thousand, fifty-six".