6894 has 12 divisors (see below), whose sum is σ = 14976. Its totient is φ = 2292.

The previous prime is 6883. The next prime is 6899. The reversal of 6894 is 4986.

6894 = 40² + 41² + ... + 43².

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6899) by changing a digit.

6894 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174 + ... + 209.

It is an arithmetic number, because the mean of its divisors is an integer number (1248).

2⁶⁸⁹⁴ is an apocalyptic number.

6894 is an abundant number, since it is smaller than the sum of its proper divisors (8082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6894 is a wasteful number, since it uses less digits than its factorization.

6894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 388 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 6894 is about 83.0301150186. The cubic root of 6894 is about 19.0322628215.

It can be divided in two parts, 6 and 894, that added together give a square (900 = 30²).

The spelling of 6894 in words is "six thousand, eight hundred ninety-four".