2589668 has 6 divisors (see below), whose sum is σ = 4531926. Its totient is φ = 1294832.

The previous prime is 2589659. The next prime is 2589677. The reversal of 2589668 is 8669852.

It is a happy number.

2589668 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 (2589659) and next prime (2589677).

It can be written as a sum of positive squares in only one way, i.e., 2458624 + 131044 = 1568^2 + 362^2 .

It is an unprimeable number.

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, 323705 + ... + 323712.

It is an arithmetic number, because the mean of its divisors is an integer number (755321).

2^2589668 is an apocalyptic number.

It is an amenable number.

2589668 is a deficient number, since it is larger than the sum of its proper divisors (1942258).

2589668 is a wasteful number, since it uses less digits than its factorization.

2589668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647421 (or 647419 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 2589668 is about 1609.2445432562. The cubic root of 2589668 is about 137.3245011653.

The spelling of 2589668 in words is "two million, five hundred eighty-nine thousand, six hundred sixty-eight".