6946909 has 2 divisors, whose sum is σ = 6946910. Its totient is φ = 6946908.

The previous prime is 6946903. The next prime is 6946939. The reversal of 6946909 is 9096496.

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., 6744409 + 202500 = 2597^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 6946909 - 2⁷ = 6946781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6946903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473454 + 3473455.

It is an arithmetic number, because the mean of its divisors is an integer number (3473455).

Almost surely, 2^6946909 is an apocalyptic number.

It is an amenable number.

6946909 is a deficient number, since it is larger than the sum of its proper divisors (1).

6946909 is an equidigital number, since it uses as much as digits as its factorization.

6946909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 6946909 is about 2635.6989585307. The cubic root of 6946909 is about 190.8082741176.

The spelling of 6946909 in words is "six million, nine hundred forty-six thousand, nine hundred nine".