6448618 has 16 divisors (see below), whose sum is σ = 10625184. Its totient is φ = 2910960.

The previous prime is 6448609. The next prime is 6448621. The reversal of 6448618 is 8168446.

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, 2521 + ... + 4387.

It is an arithmetic number, because the mean of its divisors is an integer number (664074).

Almost surely, 2^6448618 is an apocalyptic number.

6448618 is a deficient number, since it is larger than the sum of its proper divisors (4176566).

6448618 is a wasteful number, since it uses less digits than its factorization.

6448618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037.

The product of its digits is 36864, while the sum is 37.

The square root of 6448618 is about 2539.4129242799. The cubic root of 6448618 is about 186.1325028026.

The spelling of 6448618 in words is "six million, four hundred forty-eight thousand, six hundred eighteen".