36943409 has 2 divisors, whose sum is σ = 36943410. Its totient is φ = 36943408.

The previous prime is 36943399. The next prime is 36943421. The reversal of 36943409 is 90434963.

36943409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29463184 + 7480225 = 5428^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 36943409 - 2¹⁶ = 36877873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (36943469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18471704 + 18471705.

It is an arithmetic number, because the mean of its divisors is an integer number (18471705).

Almost surely, 2^36943409 is an apocalyptic number.

It is an amenable number.

36943409 is a deficient number, since it is larger than the sum of its proper divisors (1).

36943409 is an equidigital number, since it uses as much as digits as its factorization.

36943409 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 36943409 is about 6078.1089986936. The cubic root of 36943409 is about 333.0522122016.

The spelling of 36943409 in words is "thirty-six million, nine hundred forty-three thousand, four hundred nine".