2780589 has 8 divisors (see below), whose sum is σ = 4237120. Its totient is φ = 1588896.

The previous prime is 2780527. The next prime is 2780597. The reversal of 2780589 is 9850872.

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

It is not a de Polignac number, because 2780589 - 2⁹ = 2780077 is a prime.

It is a Duffinian number.

2780589 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780599) 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, 66184 + ... + 66225.

It is an arithmetic number, because the mean of its divisors is an integer number (529640).

2^2780589 is an apocalyptic number.

It is an amenable number.

2780589 is a deficient number, since it is larger than the sum of its proper divisors (1456531).

2780589 is a wasteful number, since it uses less digits than its factorization.

2780589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132419.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 2780589 is about 1667.5098200610. The cubic root of 2780589 is about 140.6195164282.

The spelling of 2780589 in words is "two million, seven hundred eighty thousand, five hundred eighty-nine".