244081389 has 4 divisors (see below), whose sum is σ = 325441856. Its totient is φ = 162720924.

The previous prime is 244081363. The next prime is 244081399. The reversal of 244081389 is 983180442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 244081389 - 2⁹ = 244080877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244081309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40680229 + ... + 40680234.

It is an arithmetic number, because the mean of its divisors is an integer number (81360464).

Almost surely, 2^244081389 is an apocalyptic number.

It is an amenable number.

244081389 is a deficient number, since it is larger than the sum of its proper divisors (81360467).

244081389 is an equidigital number, since it uses as much as digits as its factorization.

244081389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81360466.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 244081389 is about 15623.1043330063. The cubic root of 244081389 is about 624.9494478579.

The spelling of 244081389 in words is "two hundred forty-four million, eighty-one thousand, three hundred eighty-nine".