412209 has 20 divisors (see below), whose sum is σ = 704704. Its totient is φ = 235224.

The previous prime is 412201. The next prime is 412211. The reversal of 412209 is 902214.

It is not a de Polignac number, because 412209 - 2³ = 412201 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 412191 and 412200.

It is not an unprimeable number, because it can be changed into a prime (412201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 204 + ... + 930.

2⁴¹²²⁰⁹ is an apocalyptic number.

It is an amenable number.

412209 is a deficient number, since it is larger than the sum of its proper divisors (292495).

412209 is an equidigital number, since it uses as much as digits as its factorization.

412209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 412209 is about 642.0350457724. The cubic root of 412209 is about 74.4227687857.

The spelling of 412209 in words is "four hundred twelve thousand, two hundred nine".