6442589 has 4 divisors (see below), whose sum is σ = 6456000. Its totient is φ = 6429180.

The previous prime is 6442573. The next prime is 6442591. The reversal of 6442589 is 9852446.

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 6442589 - 2⁴ = 6442573 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 (6442559) 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, 5957 + ... + 6954.

It is an arithmetic number, because the mean of its divisors is an integer number (1614000).

Almost surely, 2^6442589 is an apocalyptic number.

It is an amenable number.

6442589 is a deficient number, since it is larger than the sum of its proper divisors (13411).

6442589 is a wasteful number, since it uses less digits than its factorization.

6442589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13410.

The product of its digits is 69120, while the sum is 38.

The square root of 6442589 is about 2538.2255612928. The cubic root of 6442589 is about 186.0744778239.

The spelling of 6442589 in words is "six million, four hundred forty-two thousand, five hundred eighty-nine".