2589638 has 8 divisors (see below), whose sum is σ = 3891288. Its totient is φ = 1292544.

The previous prime is 2589623. The next prime is 2589641. The reversal of 2589638 is 8369852.

2589638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2589595 and 2589604.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1670 + ... + 2822.

It is an arithmetic number, because the mean of its divisors is an integer number (486411).

2^2589638 is an apocalyptic number.

2589638 is a deficient number, since it is larger than the sum of its proper divisors (1301650).

2589638 is a wasteful number, since it uses less digits than its factorization.

2589638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278.

The product of its digits is 103680, while the sum is 41.

The square root of 2589638 is about 1609.2352220853. The cubic root of 2589638 is about 137.3239708849.

The spelling of 2589638 in words is "two million, five hundred eighty-nine thousand, six hundred thirty-eight".