5646189 has 4 divisors (see below), whose sum is σ = 7528256. Its totient is φ = 3764124.

The previous prime is 5646131. The next prime is 5646229. The reversal of 5646189 is 9816465.

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 not a de Polignac number, because 5646189 - 2⁹ = 5645677 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5646119) 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, 941029 + ... + 941034.

It is an arithmetic number, because the mean of its divisors is an integer number (1882064).

Almost surely, 2^5646189 is an apocalyptic number.

It is an amenable number.

5646189 is a deficient number, since it is larger than the sum of its proper divisors (1882067).

5646189 is a wasteful number, since it uses less digits than its factorization.

5646189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882066.

The product of its digits is 51840, while the sum is 39.

The square root of 5646189 is about 2376.1710796994. The cubic root of 5646189 is about 178.0676950782.

The spelling of 5646189 in words is "five million, six hundred forty-six thousand, one hundred eighty-nine".