6448516 has 12 divisors (see below), whose sum is σ = 11344732. Its totient is φ = 3207168.

The previous prime is 6448511. The next prime is 6448517. The reversal of 6448516 is 6158446.

It can be written as a sum of positive squares in 2 ways, for example, as 2876416 + 3572100 = 1696^2 + 1890^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 3405 + ... + 4948.

Almost surely, 2^6448516 is an apocalyptic number.

It is an amenable number.

6448516 is a deficient number, since it is larger than the sum of its proper divisors (4896216).

6448516 is a wasteful number, since it uses less digits than its factorization.

6448516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8550 (or 8548 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 6448516 is about 2539.3928408185. The cubic root of 6448516 is about 186.1315214235.

The spelling of 6448516 in words is "six million, four hundred forty-eight thousand, five hundred sixteen".