6889963 has 2 divisors, whose sum is σ = 6889964. Its totient is φ = 6889962.

The previous prime is 6889937. The next prime is 6889969. The reversal of 6889963 is 3699886.

6889963 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6889963 - 2⁵ = 6889931 is a prime.

It is not a weakly prime, because it can be changed into another prime (6889969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3444981 + 3444982.

It is an arithmetic number, because the mean of its divisors is an integer number (3444982).

Almost surely, 2^6889963 is an apocalyptic number.

6889963 is a deficient number, since it is larger than the sum of its proper divisors (1).

6889963 is an equidigital number, since it uses as much as digits as its factorization.

6889963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 49.

The square root of 6889963 is about 2624.8739017332. The cubic root of 6889963 is about 190.2854711476.

The spelling of 6889963 in words is "six million, eight hundred eighty-nine thousand, nine hundred sixty-three".