244847 has 4 divisors (see below), whose sum is σ = 253320. Its totient is φ = 236376.

The previous prime is 244843. The next prime is 244859. The reversal of 244847 is 748442.

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

It is a cyclic number.

It is not a de Polignac number, because 244847 - 2² = 244843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 8443 = 244847 / (2 + 4 + 4 + 8 + 4 + 7).

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4193 + ... + 4250.

It is an arithmetic number, because the mean of its divisors is an integer number (63330).

2²⁴⁴⁸⁴⁷ is an apocalyptic number.

244847 is a deficient number, since it is larger than the sum of its proper divisors (8473).

244847 is an equidigital number, since it uses as much as digits as its factorization.

244847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8472.

The product of its digits is 7168, while the sum is 29.

The square root of 244847 is about 494.8201693545. The cubic root of 244847 is about 62.5602192929.

The spelling of 244847 in words is "two hundred forty-four thousand, eight hundred forty-seven".