6448499 has 4 divisors (see below), whose sum is σ = 6458400. Its totient is φ = 6438600.

The previous prime is 6448489. The next prime is 6448511. The reversal of 6448499 is 9948446.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6448499 - 2⁴ = 6448483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6448489) 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, 3899 + ... + 5300.

It is an arithmetic number, because the mean of its divisors is an integer number (1614600).

Almost surely, 2^6448499 is an apocalyptic number.

6448499 is a deficient number, since it is larger than the sum of its proper divisors (9901).

6448499 is an equidigital number, since it uses as much as digits as its factorization.

6448499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9900.

The product of its digits is 248832, while the sum is 44.

The square root of 6448499 is about 2539.3894935594. The cubic root of 6448499 is about 186.1313578594.

The spelling of 6448499 in words is "six million, four hundred forty-eight thousand, four hundred ninety-nine".