6866086 has 4 divisors (see below), whose sum is σ = 10299132. Its totient is φ = 3433042.

The previous prime is 6866077. The next prime is 6866129. The reversal of 6866086 is 6806686.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1716520 + ... + 1716523.

It is an arithmetic number, because the mean of its divisors is an integer number (2574783).

Almost surely, 2^6866086 is an apocalyptic number.

6866086 is a deficient number, since it is larger than the sum of its proper divisors (3433046).

6866086 is a wasteful number, since it uses less digits than its factorization.

6866086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433045.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 6866086 is about 2620.3217359706. The cubic root of 6866086 is about 190.0654068442.

The spelling of 6866086 in words is "six million, eight hundred sixty-six thousand, eighty-six".