2606806 has 8 divisors (see below), whose sum is σ = 3938760. Its totient is φ = 1293888.

The previous prime is 2606803. The next prime is 2606809. The reversal of 2606806 is 6086062.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2606803) and next prime (2606809).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4411 + ... + 4966.

It is an arithmetic number, because the mean of its divisors is an integer number (492345).

2^2606806 is an apocalyptic number.

2606806 is a deficient number, since it is larger than the sum of its proper divisors (1331954).

2606806 is a wasteful number, since it uses less digits than its factorization.

2606806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9518.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2606806 is about 1614.5606213456. The cubic root of 2606806 is about 137.6267657392.

The spelling of 2606806 in words is "two million, six hundred six thousand, eight hundred six".