2068409 has 8 divisors (see below), whose sum is σ = 2421888. Its totient is φ = 1729440.

The previous prime is 2068403. The next prime is 2068421. The reversal of 2068409 is 9048602.

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

It is a cyclic number.

It is not a de Polignac number, because 2068409 - 2⁴ = 2068393 is a prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3317 + ... + 3890.

It is an arithmetic number, because the mean of its divisors is an integer number (302736).

2^2068409 is an apocalyptic number.

It is an amenable number.

2068409 is a deficient number, since it is larger than the sum of its proper divisors (353479).

2068409 is an equidigital number, since it uses as much as digits as its factorization.

2068409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7255.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2068409 is about 1438.1964399900. The cubic root of 2068409 is about 127.4125300354.

The spelling of 2068409 in words is "two million, sixty-eight thousand, four hundred nine".