6866606 has 16 divisors (see below), whose sum is σ = 11140416. Its totient is φ = 3161856.

The previous prime is 6866551. The next prime is 6866609. The reversal of 6866606 is 6066686.

It is a self number, because there is not a number n which added to its sum of digits gives 6866606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6866609) 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, 551 + ... + 3746.

It is an arithmetic number, because the mean of its divisors is an integer number (696276).

Almost surely, 2^6866606 is an apocalyptic number.

6866606 is a deficient number, since it is larger than the sum of its proper divisors (4273810).

6866606 is a wasteful number, since it uses less digits than its factorization.

6866606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 6866606 is about 2620.4209585485. The cubic root of 6866606 is about 190.0702048964.

The spelling of 6866606 in words is "six million, eight hundred sixty-six thousand, six hundred six".