5646289 has 8 divisors (see below), whose sum is σ = 6188832. Its totient is φ = 5108640.

The previous prime is 5646281. The next prime is 5646317. The reversal of 5646289 is 9826465.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5646289 - 2³ = 5646281 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (5646281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462 + ... + 3664.

It is an arithmetic number, because the mean of its divisors is an integer number (773604).

Almost surely, 2^5646289 is an apocalyptic number.

It is an amenable number.

5646289 is a deficient number, since it is larger than the sum of its proper divisors (542543).

5646289 is a wasteful number, since it uses less digits than its factorization.

5646289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447.

The product of its digits is 103680, while the sum is 40.

The square root of 5646289 is about 2376.1921218622. The cubic root of 5646289 is about 178.0687463279.

The spelling of 5646289 in words is "five million, six hundred forty-six thousand, two hundred eighty-nine".