44347309 has 2 divisors, whose sum is σ = 44347310. Its totient is φ = 44347308.

The previous prime is 44347283. The next prime is 44347313. The reversal of 44347309 is 90374344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40998409 + 3348900 = 6403^2 + 1830^2 .

It is a cyclic number.

It is not a de Polignac number, because 44347309 - 2¹¹ = 44345261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44347399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22173654 + 22173655.

It is an arithmetic number, because the mean of its divisors is an integer number (22173655).

Almost surely, 2^44347309 is an apocalyptic number.

It is an amenable number.

44347309 is a deficient number, since it is larger than the sum of its proper divisors (1).

44347309 is an equidigital number, since it uses as much as digits as its factorization.

44347309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 44347309 is about 6659.3775234627. The cubic root of 44347309 is about 353.9612803044.

The spelling of 44347309 in words is "forty-four million, three hundred forty-seven thousand, three hundred nine".