44006309 has 2 divisors, whose sum is σ = 44006310. Its totient is φ = 44006308.

The previous prime is 44006293. The next prime is 44006321. The reversal of 44006309 is 90360044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39816100 + 4190209 = 6310^2 + 2047^2 .

It is a cyclic number.

It is not a de Polignac number, because 44006309 - 2⁴ = 44006293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44006009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22003154 + 22003155.

It is an arithmetic number, because the mean of its divisors is an integer number (22003155).

Almost surely, 2^44006309 is an apocalyptic number.

It is an amenable number.

44006309 is a deficient number, since it is larger than the sum of its proper divisors (1).

44006309 is an equidigital number, since it uses as much as digits as its factorization.

44006309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 44006309 is about 6633.7251224331. The cubic root of 44006309 is about 353.0517061865.

The spelling of 44006309 in words is "forty-four million, six thousand, three hundred nine".