6889147 has 2 divisors, whose sum is σ = 6889148. Its totient is φ = 6889146.

The previous prime is 6889133. The next prime is 6889151. The reversal of 6889147 is 7419886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6889147 - 2⁷ = 6889019 is a prime.

It is not a weakly prime, because it can be changed into another prime (6889247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3444573 + 3444574.

It is an arithmetic number, because the mean of its divisors is an integer number (3444574).

Almost surely, 2^6889147 is an apocalyptic number.

6889147 is a deficient number, since it is larger than the sum of its proper divisors (1).

6889147 is an equidigital number, since it uses as much as digits as its factorization.

6889147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 6889147 is about 2624.7184610925. The cubic root of 6889147 is about 190.2779588153.

The spelling of 6889147 in words is "six million, eight hundred eighty-nine thousand, one hundred forty-seven".