5646589 has 4 divisors (see below), whose sum is σ = 6080956. Its totient is φ = 5212224.

The previous prime is 5646581. The next prime is 5646593. The reversal of 5646589 is 9856465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3485689 + 2160900 = 1867^2 + 1470^2 .

It is a cyclic number.

It is not a de Polignac number, because 5646589 - 2³ = 5646581 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 (5646581) 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 3 ways as a sum of consecutive naturals, for example, 217164 + ... + 217189.

It is an arithmetic number, because the mean of its divisors is an integer number (1520239).

Almost surely, 2^5646589 is an apocalyptic number.

It is an amenable number.

5646589 is a deficient number, since it is larger than the sum of its proper divisors (434367).

5646589 is a wasteful number, since it uses less digits than its factorization.

5646589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434366.

The product of its digits is 259200, while the sum is 43.

The square root of 5646589 is about 2376.2552472325. The cubic root of 5646589 is about 178.0719000027.

The spelling of 5646589 in words is "five million, six hundred forty-six thousand, five hundred eighty-nine".