2583989 has 4 divisors (see below), whose sum is σ = 2622624. Its totient is φ = 2545356.

The previous prime is 2583979. The next prime is 2584007. The reversal of 2583989 is 9893852.

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 2583989 - 2⁸ = 2583733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2583979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19217 + ... + 19350.

It is an arithmetic number, because the mean of its divisors is an integer number (655656).

2^2583989 is an apocalyptic number.

It is an amenable number.

2583989 is a deficient number, since it is larger than the sum of its proper divisors (38635).

2583989 is an equidigital number, since it uses as much as digits as its factorization.

2583989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38634.

The product of its digits is 155520, while the sum is 44.

The square root of 2583989 is about 1607.4790822900. The cubic root of 2583989 is about 137.2240459969.

The spelling of 2583989 in words is "two million, five hundred eighty-three thousand, nine hundred eighty-nine".