6468649 has 12 divisors (see below), whose sum is σ = 7218288. Its totient is φ = 5748600.

The previous prime is 6468647. The next prime is 6468661. The reversal of 6468649 is 9468646.

It is not a de Polignac number, because 6468649 - 2¹ = 6468647 is a prime.

It is a d-powerful number, because it can be written as 6³ + 4⁵ + 6³ + 8³ + 6⁸ + 4⁶ + 9⁷ .

It is not an unprimeable number, because it can be changed into a prime (6468641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49314 + ... + 49444.

It is an arithmetic number, because the mean of its divisors is an integer number (601524).

Almost surely, 2^6468649 is an apocalyptic number.

It is an amenable number.

6468649 is a deficient number, since it is larger than the sum of its proper divisors (749639).

6468649 is a wasteful number, since it uses less digits than its factorization.

6468649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 209 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 6468649 is about 2543.3538880777. The cubic root of 6468649 is about 186.3250281027.

It can be divided in two parts, 6468 and 649, that added together give a palindrome (7117).

The spelling of 6468649 in words is "six million, four hundred sixty-eight thousand, six hundred forty-nine".