6889121 has 4 divisors (see below), whose sum is σ = 7188672. Its totient is φ = 6589572.

The previous prime is 6889087. The next prime is 6889133. The reversal of 6889121 is 1219886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6889121 - 2¹⁰ = 6888097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6889151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149741 + ... + 149786.

It is an arithmetic number, because the mean of its divisors is an integer number (1797168).

Almost surely, 2^6889121 is an apocalyptic number.

It is an amenable number.

6889121 is a deficient number, since it is larger than the sum of its proper divisors (299551).

6889121 is a wasteful number, since it uses less digits than its factorization.

6889121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299550.

The product of its digits is 6912, while the sum is 35.

The square root of 6889121 is about 2624.7135081757. The cubic root of 6889121 is about 190.2777194420.

It can be divided in two parts, 6889 and 121, that multiplied together give a square (833569 = 913²).

The spelling of 6889121 in words is "six million, eight hundred eighty-nine thousand, one hundred twenty-one".