6694 has 4 divisors (see below), whose sum is σ = 10044. Its totient is φ = 3346.

The previous prime is 6691. The next prime is 6701. The reversal of 6694 is 4966.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672 + ... + 1675.

It is an arithmetic number, because the mean of its divisors is an integer number (2511).

2⁶⁶⁹⁴ is an apocalyptic number.

6694 is a deficient number, since it is larger than the sum of its proper divisors (3350).

6694 is a wasteful number, since it uses less digits than its factorization.

6694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349.

The product of its digits is 1296, while the sum is 25.

The square root of 6694 is about 81.8168686763. The cubic root of 6694 is about 18.8464071560.

Subtracting from 6694 its reverse (4966), we obtain a cube (1728 = 12³).

The spelling of 6694 in words is "six thousand, six hundred ninety-four".