6448218 has 16 divisors (see below), whose sum is σ = 14738880. Its totient is φ = 1842336.

The previous prime is 6448207. The next prime is 6448223. The reversal of 6448218 is 8128446.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76723 + ... + 76806.

It is an arithmetic number, because the mean of its divisors is an integer number (921180).

Almost surely, 2^6448218 is an apocalyptic number.

6448218 is an abundant number, since it is smaller than the sum of its proper divisors (8290662).

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

6448218 is a wasteful number, since it uses less digits than its factorization.

6448218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153541.

The product of its digits is 12288, while the sum is 33.

The square root of 6448218 is about 2539.3341646975. The cubic root of 6448218 is about 186.1286541981.

It can be divided in two parts, 6448 and 218, that added together give a palindrome (6666).

The spelling of 6448218 in words is "six million, four hundred forty-eight thousand, two hundred eighteen".