6483440 has 20 divisors (see below), whose sum is σ = 15074184. Its totient is φ = 2593344.

The previous prime is 6483419. The next prime is 6483457. The reversal of 6483440 is 443846.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 40442 + ... + 40601.

Almost surely, 2^6483440 is an apocalyptic number.

It is an amenable number.

6483440 is an abundant number, since it is smaller than the sum of its proper divisors (8590744).

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

6483440 is a wasteful number, since it uses less digits than its factorization.

6483440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81056 (or 81050 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 6483440 is about 2546.2600024349. The cubic root of 6483440 is about 186.4669348910.

The spelling of 6483440 in words is "six million, four hundred eighty-three thousand, four hundred forty".