36240209 has 8 divisors (see below), whose sum is σ = 39610368. Its totient is φ = 33007680.

The previous prime is 36240173. The next prime is 36240221. The reversal of 36240209 is 90204263.

36240209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36240209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36240229) 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 in 7 ways as a sum of consecutive naturals, for example, 33857 + ... + 34910.

It is an arithmetic number, because the mean of its divisors is an integer number (4951296).

Almost surely, 2^36240209 is an apocalyptic number.

It is an amenable number.

36240209 is a deficient number, since it is larger than the sum of its proper divisors (3370159).

36240209 is a wasteful number, since it uses less digits than its factorization.

36240209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68815.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 36240209 is about 6019.9841361917. The cubic root of 36240209 is about 330.9254980901.

The spelling of 36240209 in words is "thirty-six million, two hundred forty thousand, two hundred nine".