2589881 has 4 divisors (see below), whose sum is σ = 2959872. Its totient is φ = 2219892.

The previous prime is 2589859. The next prime is 2589883. The reversal of 2589881 is 1889852.

2589881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2589881 - 2⁶ = 2589817 is a prime.

It is a super-2 number, since 2×2589881² = 13414967188322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2589883) 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, 184985 + ... + 184998.

It is an arithmetic number, because the mean of its divisors is an integer number (739968).

2^2589881 is an apocalyptic number.

It is an amenable number.

2589881 is a deficient number, since it is larger than the sum of its proper divisors (369991).

2589881 is an equidigital number, since it uses as much as digits as its factorization.

2589881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369990.

The product of its digits is 46080, while the sum is 41.

The square root of 2589881 is about 1609.3107220173. The cubic root of 2589881 is about 137.3282660388.

The spelling of 2589881 in words is "two million, five hundred eighty-nine thousand, eight hundred eighty-one".