2605748 has 6 divisors (see below), whose sum is σ = 4560066. Its totient is φ = 1302872.

The previous prime is 2605747. The next prime is 2605751. The reversal of 2605748 is 8475062.

2605748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1737124 + 868624 = 1318^2 + 932^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605741) 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 as a sum of consecutive naturals, namely, 325715 + ... + 325722.

It is an arithmetic number, because the mean of its divisors is an integer number (760011).

2^2605748 is an apocalyptic number.

It is an amenable number.

2605748 is a deficient number, since it is larger than the sum of its proper divisors (1954318).

2605748 is a wasteful number, since it uses less digits than its factorization.

2605748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651441 (or 651439 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2605748 is about 1614.2329447759. The cubic root of 2605748 is about 137.6081441232.

The spelling of 2605748 in words is "two million, six hundred five thousand, seven hundred forty-eight".