6463968 has 48 divisors (see below), whose sum is σ = 19393920. Its totient is φ = 1846656.

The previous prime is 6463949. The next prime is 6463969. The reversal of 6463968 is 8693646.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 6 + 4³ + 6⁴ + 3¹⁴ + 9 + 6⁸ + 8 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6463969) 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, 4138 + ... + 5481.

It is an arithmetic number, because the mean of its divisors is an integer number (404040).

Almost surely, 2^6463968 is an apocalyptic number.

It is an amenable number.

6463968 is an abundant number, since it is smaller than the sum of its proper divisors (12929952).

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

6463968 is a wasteful number, since it uses less digits than its factorization.

6463968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9639 (or 9631 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 6463968 is about 2542.4334799558. The cubic root of 6463968 is about 186.2800729183.

The spelling of 6463968 in words is "six million, four hundred sixty-three thousand, nine hundred sixty-eight".