6895 has 8 divisors (see below), whose sum is σ = 9504. Its totient is φ = 4704.

The previous prime is 6883. The next prime is 6899. The reversal of 6895 is 5986.

6895 = T₅₀ + T₅₁ + ... + T₅₄.

6895 = 14² + 15² + ... + 28².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6895 - 2⁵ = 6863 is a prime.

It is a Duffinian number.

6895 is an undulating number in base 14.

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.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64 + ... + 133.

It is an arithmetic number, because the mean of its divisors is an integer number (1188).

2⁶⁸⁹⁵ is an apocalyptic number.

6895 is a deficient number, since it is larger than the sum of its proper divisors (2609).

6895 is a wasteful number, since it uses less digits than its factorization.

6895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209.

The product of its digits is 2160, while the sum is 28.

The square root of 6895 is about 83.0361367117. The cubic root of 6895 is about 19.0331830102.

Subtracting from 6895 its reverse (5986), we obtain a palindrome (909).

The spelling of 6895 in words is "six thousand, eight hundred ninety-five".