2605766 has 8 divisors (see below), whose sum is σ = 4043520. Its totient is φ = 1257928.

The previous prime is 2605763. The next prime is 2605769. The reversal of 2605766 is 6675062.

2605766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2605763) and next prime (2605769).

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 (2605763) 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, 22406 + ... + 22521.

It is an arithmetic number, because the mean of its divisors is an integer number (505440).

2^2605766 is an apocalyptic number.

2605766 is a deficient number, since it is larger than the sum of its proper divisors (1437754).

2605766 is a wasteful number, since it uses less digits than its factorization.

2605766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44958.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2605766 is about 1614.2385201698. The cubic root of 2605766 is about 137.6084609792.

The spelling of 2605766 in words is "two million, six hundred five thousand, seven hundred sixty-six".