6463668 has 24 divisors (see below), whose sum is σ = 15367968. Its totient is φ = 2113696.

The previous prime is 6463661. The next prime is 6463669. The reversal of 6463668 is 8663646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6463661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4446 + ... + 5717.

It is an arithmetic number, because the mean of its divisors is an integer number (640332).

Almost surely, 2^6463668 is an apocalyptic number.

It is an amenable number.

6463668 is an abundant number, since it is smaller than the sum of its proper divisors (8904300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6463668 is a wasteful number, since it uses less digits than its factorization.

6463668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223 (or 10221 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 6463668 is about 2542.3744806775. The cubic root of 6463668 is about 186.2771910514.

The spelling of 6463668 in words is "six million, four hundred sixty-three thousand, six hundred sixty-eight".