36849209 has 2 divisors, whose sum is σ = 36849210. Its totient is φ = 36849208.

The previous prime is 36849203. The next prime is 36849229. The reversal of 36849209 is 90294863.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27331984 + 9517225 = 5228^2 + 3085^2 .

It is an emirp because it is prime and its reverse (90294863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36849209 - 2⁸ = 36848953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36849203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18424604 + 18424605.

It is an arithmetic number, because the mean of its divisors is an integer number (18424605).

Almost surely, 2^36849209 is an apocalyptic number.

It is an amenable number.

36849209 is a deficient number, since it is larger than the sum of its proper divisors (1).

36849209 is an equidigital number, since it uses as much as digits as its factorization.

36849209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 36849209 is about 6070.3549319624. The cubic root of 36849209 is about 332.7688939864.

The spelling of 36849209 in words is "thirty-six million, eight hundred forty-nine thousand, two hundred nine".