6947089 has 2 divisors, whose sum is σ = 6947090. Its totient is φ = 6947088.

The previous prime is 6947077. The next prime is 6947099. The reversal of 6947089 is 9807496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6932689 + 14400 = 2633^2 + 120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6947089 is a prime.

It is not a weakly prime, because it can be changed into another prime (6947099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473544 + 3473545.

It is an arithmetic number, because the mean of its divisors is an integer number (3473545).

Almost surely, 2^6947089 is an apocalyptic number.

It is an amenable number.

6947089 is a deficient number, since it is larger than the sum of its proper divisors (1).

6947089 is an equidigital number, since it uses as much as digits as its factorization.

6947089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 6947089 is about 2635.7331048496. The cubic root of 6947089 is about 190.8099221019.

Subtracting from 6947089 its product of nonzero digits (108864), we obtain a square (6838225 = 2615²).

The spelling of 6947089 in words is "six million, nine hundred forty-seven thousand, eighty-nine".