36944309 has 2 divisors, whose sum is σ = 36944310. Its totient is φ = 36944308.

The previous prime is 36944273. The next prime is 36944357. The reversal of 36944309 is 90344963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27352900 + 9591409 = 5230^2 + 3097^2 .

It is an emirp because it is prime and its reverse (90344963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36944309 - 2⁸ = 36944053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36944359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18472154 + 18472155.

It is an arithmetic number, because the mean of its divisors is an integer number (18472155).

Almost surely, 2^36944309 is an apocalyptic number.

It is an amenable number.

36944309 is a deficient number, since it is larger than the sum of its proper divisors (1).

36944309 is an equidigital number, since it uses as much as digits as its factorization.

36944309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 36944309 is about 6078.1830344273. The cubic root of 36944309 is about 333.0549167396.

The spelling of 36944309 in words is "thirty-six million, nine hundred forty-four thousand, three hundred nine".