6494544 has 120 divisors (see below), whose sum is σ = 22052160. Its totient is φ = 1741824.

The previous prime is 6494539. The next prime is 6494549. The reversal of 6494544 is 4454946.

6494544 is a `hidden beast` number, since 649 + 4 + 5 + 4 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (6494539) and next prime (6494549).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 6494499 and 6494508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6494549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16947 + ... + 17325.

It is an arithmetic number, because the mean of its divisors is an integer number (183768).

Almost surely, 2^6494544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6494544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11026080).

6494544 is an abundant number, since it is smaller than the sum of its proper divisors (15557616).

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

6494544 is a wasteful number, since it uses less digits than its factorization.

6494544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 408 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 6494544 is about 2548.4395225314. The cubic root of 6494544 is about 186.5733263500.

The spelling of 6494544 in words is "six million, four hundred ninety-four thousand, five hundred forty-four".