10004209 has 4 divisors (see below), whose sum is σ = 10037104. Its totient is φ = 9971316.

The previous prime is 10004207. The next prime is 10004231. The reversal of 10004209 is 90240001.

10004209 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10004209 - 2¹ = 10004207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10004192 and 10004201.

It is not an unprimeable number, because it can be changed into a prime (10004201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15987 + ... + 16600.

It is an arithmetic number, because the mean of its divisors is an integer number (2509276).

Almost surely, 2^10004209 is an apocalyptic number.

It is an amenable number.

10004209 is a deficient number, since it is larger than the sum of its proper divisors (32895).

10004209 is an equidigital number, since it uses as much as digits as its factorization.

10004209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32894.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 10004209 is about 3162.9430914893. The cubic root of 10004209 is about 215.4736914821.

The spelling of 10004209 in words is "ten million, four thousand, two hundred nine".