4045589 has 4 divisors (see below), whose sum is σ = 4049856. Its totient is φ = 4041324.

The previous prime is 4045583. The next prime is 4045597. The reversal of 4045589 is 9855404.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4045589 - 2⁸ = 4045333 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 (4045583) 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, 2 + ... + 2844.

It is an arithmetic number, because the mean of its divisors is an integer number (1012464).

Almost surely, 2^4045589 is an apocalyptic number.

It is an amenable number.

4045589 is a deficient number, since it is larger than the sum of its proper divisors (4267).

4045589 is a wasteful number, since it uses less digits than its factorization.

4045589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 4045589 is about 2011.3649594243. The cubic root of 4045589 is about 159.3408953809.

The spelling of 4045589 in words is "four million, forty-five thousand, five hundred eighty-nine".