6866042 has 8 divisors (see below), whose sum is σ = 10518336. Its totient is φ = 3359932.

The previous prime is 6866039. The next prime is 6866047. The reversal of 6866042 is 2406686.

It is a happy number.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6866047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36428 + ... + 36615.

It is an arithmetic number, because the mean of its divisors is an integer number (1314792).

Almost surely, 2^6866042 is an apocalyptic number.

6866042 is a deficient number, since it is larger than the sum of its proper divisors (3652294).

6866042 is a wasteful number, since it uses less digits than its factorization.

6866042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73092.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 6866042 is about 2620.3133400416. The cubic root of 6866042 is about 190.0650008441.

The spelling of 6866042 in words is "six million, eight hundred sixty-six thousand, forty-two".