6865994 has 16 divisors (see below), whose sum is σ = 11032200. Its totient is φ = 3193344.

The previous prime is 6865967. The next prime is 6865997. The reversal of 6865994 is 4995686.

It can be written as a sum of positive squares in 4 ways, for example, as 4020025 + 2845969 = 2005^2 + 1687^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6865997) 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, 1892 + ... + 4160.

Almost surely, 2^6865994 is an apocalyptic number.

6865994 is a deficient number, since it is larger than the sum of its proper divisors (4166206).

6865994 is a wasteful number, since it uses less digits than its factorization.

6865994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377.

The product of its digits is 466560, while the sum is 47.

The square root of 6865994 is about 2620.3041808157. The cubic root of 6865994 is about 190.0645579328.

The spelling of 6865994 in words is "six million, eight hundred sixty-five thousand, nine hundred ninety-four".