6814 has 4 divisors (see below), whose sum is σ = 10224. Its totient is φ = 3406.

The previous prime is 6803. The next prime is 6823. The reversal of 6814 is 4186.

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

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 6791 and 6800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702 + ... + 1705.

It is an arithmetic number, because the mean of its divisors is an integer number (2556).

2⁶⁸¹⁴ is an apocalyptic number.

6814 is a deficient number, since it is larger than the sum of its proper divisors (3410).

6814 is a wasteful number, since it uses less digits than its factorization.

6814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409.

The product of its digits is 192, while the sum is 19.

The square root of 6814 is about 82.5469563340. The cubic root of 6814 is about 18.9583575521.

Subtracting from 6814 its reverse (4186), we obtain a triangular number (2628 = T₇₂).

It can be divided in two parts, 6 and 814, that multiplied together give a palindrome (4884).

The spelling of 6814 in words is "six thousand, eight hundred fourteen".