6864895 has 4 divisors (see below), whose sum is σ = 8237880. Its totient is φ = 5491912.

The previous prime is 6864881. The next prime is 6864911. The reversal of 6864895 is 5984686.

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

It is a cyclic number.

It is not a de Polignac number, because 6864895 - 2⁹ = 6864383 is a prime.

It is a super-2 number, since 2×6864895² = 94253566722050, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686485 + ... + 686494.

It is an arithmetic number, because the mean of its divisors is an integer number (2059470).

Almost surely, 2^6864895 is an apocalyptic number.

6864895 is a deficient number, since it is larger than the sum of its proper divisors (1372985).

6864895 is a wasteful number, since it uses less digits than its factorization.

6864895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372984.

The product of its digits is 414720, while the sum is 46.

The square root of 6864895 is about 2620.0944639459. The cubic root of 6864895 is about 190.0544165464.

The spelling of 6864895 in words is "six million, eight hundred sixty-four thousand, eight hundred ninety-five".