6898839 has 16 divisors (see below), whose sum is σ = 9590400. Its totient is φ = 4405856.

The previous prime is 6898823. The next prime is 6898841. The reversal of 6898839 is 9388986.

It is a cyclic number.

It is not a de Polignac number, because 6898839 - 2⁴ = 6898823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6898791 and 6898800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6898819) 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 15 ways as a sum of consecutive naturals, for example, 15352 + ... + 15794.

It is an arithmetic number, because the mean of its divisors is an integer number (599400).

Almost surely, 2^6898839 is an apocalyptic number.

6898839 is a deficient number, since it is larger than the sum of its proper divisors (2691561).

6898839 is a wasteful number, since it uses less digits than its factorization.

6898839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654.

The product of its digits is 746496, while the sum is 51.

The square root of 6898839 is about 2626.5641054427. The cubic root of 6898839 is about 190.3671478845.

The spelling of 6898839 in words is "six million, eight hundred ninety-eight thousand, eight hundred thirty-nine".