2589661 has 8 divisors (see below), whose sum is σ = 2756160. Its totient is φ = 2424768.

The previous prime is 2589659. The next prime is 2589677. The reversal of 2589661 is 1669852.

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

It is a cyclic number.

It is not a de Polignac number, because 2589661 - 2¹ = 2589659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2589661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2589611) 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 7 ways as a sum of consecutive naturals, for example, 5680 + ... + 6118.

It is an arithmetic number, because the mean of its divisors is an integer number (344520).

2^2589661 is an apocalyptic number.

It is an amenable number.

2589661 is a deficient number, since it is larger than the sum of its proper divisors (166499).

2589661 is a wasteful number, since it uses less digits than its factorization.

2589661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803.

The product of its digits is 25920, while the sum is 37.

The square root of 2589661 is about 1609.2423683212. The cubic root of 2589661 is about 137.3243774336.

The spelling of 2589661 in words is "two million, five hundred eighty-nine thousand, six hundred sixty-one".