6471489 has 4 divisors (see below), whose sum is σ = 8628656. Its totient is φ = 4314324.

The previous prime is 6471473. The next prime is 6471499. The reversal of 6471489 is 9841746.

It is a happy number.

6471489 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 6471489 - 2⁴ = 6471473 is a prime.

It is a D-number.

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 (6471449) 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, 1078579 + ... + 1078584.

It is an arithmetic number, because the mean of its divisors is an integer number (2157164).

Almost surely, 2^6471489 is an apocalyptic number.

It is an amenable number.

6471489 is a deficient number, since it is larger than the sum of its proper divisors (2157167).

6471489 is a wasteful number, since it uses less digits than its factorization.

6471489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157166.

The product of its digits is 48384, while the sum is 39.

The square root of 6471489 is about 2543.9121447094. The cubic root of 6471489 is about 186.3522922015.

The spelling of 6471489 in words is "six million, four hundred seventy-one thousand, four hundred eighty-nine".