6898789 has 4 divisors (see below), whose sum is σ = 7001824. Its totient is φ = 6795756.

The previous prime is 6898777. The next prime is 6898799. The reversal of 6898789 is 9878986.

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 6898789 - 2¹¹ = 6896741 is a prime.

It is a d-powerful number, because it can be written as 6² + 8⁷ + 9⁵ + 8⁷ + 7⁵ + 8⁷ + 9⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6898739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51417 + ... + 51550.

It is an arithmetic number, because the mean of its divisors is an integer number (1750456).

Almost surely, 2^6898789 is an apocalyptic number.

It is an amenable number.

6898789 is a deficient number, since it is larger than the sum of its proper divisors (103035).

6898789 is a wasteful number, since it uses less digits than its factorization.

6898789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103034.

The product of its digits is 1741824, while the sum is 55.

The square root of 6898789 is about 2626.5545872873. The cubic root of 6898789 is about 190.3666879820.

The spelling of 6898789 in words is "six million, eight hundred ninety-eight thousand, seven hundred eighty-nine".