6489456 has 20 divisors (see below), whose sum is σ = 16764552. Its totient is φ = 2163136.

The previous prime is 6489451. The next prime is 6489463. The reversal of 6489456 is 6549846.

It is a super-2 number, since 2×6489456² = 84226078351872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489451) 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, 67551 + ... + 67646.

Almost surely, 2^6489456 is an apocalyptic number.

It is an amenable number.

6489456 is an abundant number, since it is smaller than the sum of its proper divisors (10275096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6489456 is a wasteful number, since it uses less digits than its factorization.

6489456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135208 (or 135202 counting only the distinct ones).

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

The square root of 6489456 is about 2547.4410689945. The cubic root of 6489456 is about 186.5245914380.

The spelling of 6489456 in words is "six million, four hundred eighty-nine thousand, four hundred fifty-six".