6456189 has 4 divisors (see below), whose sum is σ = 8608256. Its totient is φ = 4304124.

The previous prime is 6456173. The next prime is 6456199. The reversal of 6456189 is 9816546.

6456189 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 6456189 - 2⁴ = 6456173 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

6456189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6456119) 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, 1076029 + ... + 1076034.

It is an arithmetic number, because the mean of its divisors is an integer number (2152064).

Almost surely, 2^6456189 is an apocalyptic number.

It is an amenable number.

6456189 is a deficient number, since it is larger than the sum of its proper divisors (2152067).

6456189 is a wasteful number, since it uses less digits than its factorization.

6456189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152066.

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

The square root of 6456189 is about 2540.9031858770. The cubic root of 6456189 is about 186.2053172694.

The spelling of 6456189 in words is "six million, four hundred fifty-six thousand, one hundred eighty-nine".