44389369 has 2 divisors, whose sum is σ = 44389370. Its totient is φ = 44389368.

The previous prime is 44389361. The next prime is 44389393. The reversal of 44389369 is 96398344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42094144 + 2295225 = 6488^2 + 1515^2 .

It is a cyclic number.

It is not a de Polignac number, because 44389369 - 2³ = 44389361 is a prime.

It is a super-2 number, since 2×44389369² = 3940832160436322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44389361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22194684 + 22194685.

It is an arithmetic number, because the mean of its divisors is an integer number (22194685).

Almost surely, 2^44389369 is an apocalyptic number.

It is an amenable number.

44389369 is a deficient number, since it is larger than the sum of its proper divisors (1).

44389369 is an equidigital number, since it uses as much as digits as its factorization.

44389369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 46.

The square root of 44389369 is about 6662.5347278645. The cubic root of 44389369 is about 354.0731465986.

The spelling of 44389369 in words is "forty-four million, three hundred eighty-nine thousand, three hundred sixty-nine".