2673309 has 4 divisors (see below), whose sum is σ = 3564416. Its totient is φ = 1782204.

The previous prime is 2673289. The next prime is 2673311. The reversal of 2673309 is 9033762.

It is a happy number.

2673309 is digitally balanced in base 2, because in such base 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 not a de Polignac number, because 2673309 - 2⁵ = 2673277 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2673329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445549 + ... + 445554.

It is an arithmetic number, because the mean of its divisors is an integer number (891104).

2^2673309 is an apocalyptic number.

It is an amenable number.

2673309 is a deficient number, since it is larger than the sum of its proper divisors (891107).

2673309 is an equidigital number, since it uses as much as digits as its factorization.

2673309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891106.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 2673309 is about 1635.0256878716. The cubic root of 2673309 is about 138.7872978213.

The spelling of 2673309 in words is "two million, six hundred seventy-three thousand, three hundred nine".