209036 has 6 divisors (see below), whose sum is σ = 365820. Its totient is φ = 104516.

The previous prime is 209029. The next prime is 209039. The reversal of 209036 is 630902.

It is a happy number.

209036 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 208999 and 209017.

It is not an unprimeable number, because it can be changed into a prime (209039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26126 + ... + 26133.

It is an arithmetic number, because the mean of its divisors is an integer number (60970).

2²⁰⁹⁰³⁶ is an apocalyptic number.

It is an amenable number.

209036 is a deficient number, since it is larger than the sum of its proper divisors (156784).

209036 is a wasteful number, since it uses less digits than its factorization.

209036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52263 (or 52261 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 209036 is about 457.2045494087. The cubic root of 209036 is about 59.3481285608.

Adding to 209036 its reverse (630902), we get a palindrome (839938).

The spelling of 209036 in words is "two hundred nine thousand, thirty-six".