2589820 has 12 divisors (see below), whose sum is σ = 5438664. Its totient is φ = 1035920.

The previous prime is 2589817. The next prime is 2589859. The reversal of 2589820 is 289852.

2589820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 64726 + ... + 64765.

It is an arithmetic number, because the mean of its divisors is an integer number (453222).

2^2589820 is an apocalyptic number.

2589820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2589820 is an abundant number, since it is smaller than the sum of its proper divisors (2848844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2589820 is a wasteful number, since it uses less digits than its factorization.

2589820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129500 (or 129498 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 2589820 is about 1609.2917696925. The cubic root of 2589820 is about 137.3271878567.

Subtracting from 2589820 its reverse (289852), we obtain a cube (2299968 = 132³).

The spelling of 2589820 in words is "two million, five hundred eighty-nine thousand, eight hundred twenty".