244805 has 8 divisors (see below), whose sum is σ = 320544. Its totient is φ = 178000.

The previous prime is 244787. The next prime is 244813. The reversal of 244805 is 508442.

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

It is not a de Polignac number, because 244805 - 2¹⁰ = 243781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2171 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (40068).

2²⁴⁴⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

244805 is a deficient number, since it is larger than the sum of its proper divisors (75739).

244805 is a wasteful number, since it uses less digits than its factorization.

244805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 244805 is about 494.7777278738. Note that the first 4 decimals coincide. The cubic root of 244805 is about 62.5566419848.

The spelling of 244805 in words is "two hundred forty-four thousand, eight hundred five".