6848689 has 3 divisors (see below), whose sum is σ = 6851307. Its totient is φ = 6846072.

The previous prime is 6848659. The next prime is 6848701. The reversal of 6848689 is 9868486.

The square root of 6848689 is 2617.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 6682225 + 166464 = 2585^2 + 408^2 .

It is not a de Polignac number, because 6848689 - 2⁵ = 6848657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6848609) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1309 + ... + 3925.

It is an arithmetic number, because the mean of its divisors is an integer number (2283769).

Almost surely, 2^6848689 is an apocalyptic number.

6848689 is the 2617-th square number.

6848689 is the 1309-th centered octagonal number.

It is an amenable number.

6848689 is a deficient number, since it is larger than the sum of its proper divisors (2618).

6848689 is an frugal number, since it uses more digits than its factorization.

6848689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5234 (or 2617 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The cubic root of 6848689 is about 189.9047444959.

Multiplying 6848689 by its sum of digits (49), we get a square (335585761 = 18319²).

The spelling of 6848689 in words is "six million, eight hundred forty-eight thousand, six hundred eighty-nine".