33836009 has 2 divisors, whose sum is σ = 33836010. Its totient is φ = 33836008.

The previous prime is 33836003. The next prime is 33836021. The reversal of 33836009 is 90063833.

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., 17875984 + 15960025 = 4228^2 + 3995^2 .

It is an emirp because it is prime and its reverse (90063833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33836009 - 2⁴ = 33835993 is a prime.

It is a super-2 number, since 2×33836009² = 2289751010096162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33836003) 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, 16918004 + 16918005.

It is an arithmetic number, because the mean of its divisors is an integer number (16918005).

Almost surely, 2^33836009 is an apocalyptic number.

It is an amenable number.

33836009 is a deficient number, since it is larger than the sum of its proper divisors (1).

33836009 is an equidigital number, since it uses as much as digits as its factorization.

33836009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 33836009 is about 5816.8727852687. The cubic root of 33836009 is about 323.4394903018.

The spelling of 33836009 in words is "thirty-three million, eight hundred thirty-six thousand, nine".