2673809 has 4 divisors (see below), whose sum is σ = 2688000. Its totient is φ = 2659620.

The previous prime is 2673793. The next prime is 2673857. The reversal of 2673809 is 9083762.

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 2673809 - 2⁴ = 2673793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2673859) 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, 6809 + ... + 7190.

It is an arithmetic number, because the mean of its divisors is an integer number (672000).

2^2673809 is an apocalyptic number.

It is an amenable number.

2673809 is a deficient number, since it is larger than the sum of its proper divisors (14191).

2673809 is a wasteful number, since it uses less digits than its factorization.

2673809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14190.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2673809 is about 1635.1785835192. The cubic root of 2673809 is about 138.7959499354.

The spelling of 2673809 in words is "two million, six hundred seventy-three thousand, eight hundred nine".