6898111 has 4 divisors (see below), whose sum is σ = 7525224. Its totient is φ = 6271000.

The previous prime is 6898097. The next prime is 6898117. The reversal of 6898111 is 1118986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6898111 - 2⁹ = 6897599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6898117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313540 + ... + 313561.

It is an arithmetic number, because the mean of its divisors is an integer number (1881306).

Almost surely, 2^6898111 is an apocalyptic number.

6898111 is a deficient number, since it is larger than the sum of its proper divisors (627113).

6898111 is a wasteful number, since it uses less digits than its factorization.

6898111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627112.

The product of its digits is 3456, while the sum is 34.

The square root of 6898111 is about 2626.4255176951. The cubic root of 6898111 is about 190.3604514844.

The spelling of 6898111 in words is "six million, eight hundred ninety-eight thousand, one hundred eleven".