6912089 has 2 divisors, whose sum is σ = 6912090. Its totient is φ = 6912088.

The previous prime is 6912071. The next prime is 6912091. The reversal of 6912089 is 9802196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5664400 + 1247689 = 2380^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 6912089 - 2⁸ = 6911833 is a prime.

Together with 6912091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6912019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3456044 + 3456045.

It is an arithmetic number, because the mean of its divisors is an integer number (3456045).

Almost surely, 2^6912089 is an apocalyptic number.

It is an amenable number.

6912089 is a deficient number, since it is larger than the sum of its proper divisors (1).

6912089 is an equidigital number, since it uses as much as digits as its factorization.

6912089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 6912089 is about 2629.0852021188. The cubic root of 6912089 is about 190.4889438177.

The spelling of 6912089 in words is "six million, nine hundred twelve thousand, eighty-nine".