6448115 has 4 divisors (see below), whose sum is σ = 7737744. Its totient is φ = 5158488.

The previous prime is 6448103. The next prime is 6448133. The reversal of 6448115 is 5118446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5118446 = 2 ⋅2559223.

It is a cyclic number.

It is not a de Polignac number, because 6448115 - 2¹² = 6444019 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644807 + ... + 644816.

It is an arithmetic number, because the mean of its divisors is an integer number (1934436).

Almost surely, 2^6448115 is an apocalyptic number.

6448115 is a deficient number, since it is larger than the sum of its proper divisors (1289629).

6448115 is a wasteful number, since it uses less digits than its factorization.

6448115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289628.

The product of its digits is 3840, while the sum is 29.

The square root of 6448115 is about 2539.3138837095. The cubic root of 6448115 is about 186.1276631566.

The spelling of 6448115 in words is "six million, four hundred forty-eight thousand, one hundred fifteen".