6448518 has 16 divisors (see below), whose sum is σ = 14330160. Its totient is φ = 2149488.

The previous prime is 6448517. The next prime is 6448529. The reversal of 6448518 is 8158446.

6448518 is a `hidden beast` number, since 644 + 8 + 5 + 1 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448511) 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, 59655 + ... + 59762.

It is an arithmetic number, because the mean of its divisors is an integer number (895635).

Almost surely, 2^6448518 is an apocalyptic number.

6448518 is an abundant number, since it is smaller than the sum of its proper divisors (7881642).

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

6448518 is a wasteful number, since it uses less digits than its factorization.

6448518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119428 (or 119422 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 6448518 is about 2539.3932346133. The cubic root of 6448518 is about 186.1315406664.

The spelling of 6448518 in words is "six million, four hundred forty-eight thousand, five hundred eighteen".