244909 has 8 divisors (see below), whose sum is σ = 285120. Its totient is φ = 206016.

The previous prime is 244901. The next prime is 244939. The reversal of 244909 is 909442.

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

It is a cyclic number.

It is not a de Polignac number, because 244909 - 2³ = 244901 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244901) 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, 117 + ... + 709.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2²⁴⁴⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

244909 is a deficient number, since it is larger than the sum of its proper divisors (40211).

244909 is an equidigital number, since it uses as much as digits as its factorization.

244909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 244909 is about 494.8828144117. The cubic root of 244909 is about 62.5654993334.

The spelling of 244909 in words is "two hundred forty-four thousand, nine hundred nine".