6456489 has 8 divisors (see below), whose sum is σ = 9270912. Its totient is φ = 3973200.

The previous prime is 6456479. The next prime is 6456509. The reversal of 6456489 is 9846546.

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

It is not a de Polignac number, because 6456489 - 2⁷ = 6456361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6456489.

It is not an unprimeable number, because it can be changed into a prime (6456419) 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, 82737 + ... + 82814.

It is an arithmetic number, because the mean of its divisors is an integer number (1158864).

Almost surely, 2^6456489 is an apocalyptic number.

It is an amenable number.

6456489 is a deficient number, since it is larger than the sum of its proper divisors (2814423).

6456489 is a wasteful number, since it uses less digits than its factorization.

6456489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165567.

The product of its digits is 207360, while the sum is 42.

The square root of 6456489 is about 2540.9622193177. The cubic root of 6456489 is about 186.2082013614.

The spelling of 6456489 in words is "six million, four hundred fifty-six thousand, four hundred eighty-nine".