6944309 has 2 divisors, whose sum is σ = 6944310. Its totient is φ = 6944308.

The previous prime is 6944303. The next prime is 6944317. The reversal of 6944309 is 9034496.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3783025 + 3161284 = 1945^2 + 1778^2 .

It is a cyclic number.

It is not a de Polignac number, because 6944309 - 2²⁰ = 5895733 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6944303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3472154 + 3472155.

It is an arithmetic number, because the mean of its divisors is an integer number (3472155).

Almost surely, 2^6944309 is an apocalyptic number.

It is an amenable number.

6944309 is a deficient number, since it is larger than the sum of its proper divisors (1).

6944309 is an equidigital number, since it uses as much as digits as its factorization.

6944309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 6944309 is about 2635.2056845719. The cubic root of 6944309 is about 190.7844667227.

The spelling of 6944309 in words is "six million, nine hundred forty-four thousand, three hundred nine".