6944809 has 2 divisors, whose sum is σ = 6944810. Its totient is φ = 6944808.

The previous prime is 6944803. The next prime is 6944813. The reversal of 6944809 is 9084496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5419584 + 1525225 = 2328^2 + 1235^2 .

It is a cyclic number.

It is not a de Polignac number, because 6944809 - 2⁷ = 6944681 is a prime.

It is not a weakly prime, because it can be changed into another prime (6944803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3472404 + 3472405.

It is an arithmetic number, because the mean of its divisors is an integer number (3472405).

Almost surely, 2^6944809 is an apocalyptic number.

It is an amenable number.

6944809 is a deficient number, since it is larger than the sum of its proper divisors (1).

6944809 is an equidigital number, since it uses as much as digits as its factorization.

6944809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 6944809 is about 2635.3005521192. The cubic root of 6944809 is about 190.7890455293.

The spelling of 6944809 in words is "six million, nine hundred forty-four thousand, eight hundred nine".