6889873 has 2 divisors, whose sum is σ = 6889874. Its totient is φ = 6889872.

The previous prime is 6889859. The next prime is 6889891. The reversal of 6889873 is 3789886.

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., 6801664 + 88209 = 2608^2 + 297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6889873 is a prime.

It is a super-2 number, since 2×6889873² = 94940699912258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6889823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3444936 + 3444937.

It is an arithmetic number, because the mean of its divisors is an integer number (3444937).

Almost surely, 2^6889873 is an apocalyptic number.

It is an amenable number.

6889873 is a deficient number, since it is larger than the sum of its proper divisors (1).

6889873 is an equidigital number, since it uses as much as digits as its factorization.

6889873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 49.

The square root of 6889873 is about 2624.8567579965. The cubic root of 6889873 is about 190.2846426106.

The spelling of 6889873 in words is "six million, eight hundred eighty-nine thousand, eight hundred seventy-three".