6463536 has 60 divisors (see below), whose sum is σ = 17880552. Its totient is φ = 2004992.

The previous prime is 6463507. The next prime is 6463537. The reversal of 6463536 is 6353646.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6463497 and 6463506.

It is not an unprimeable number, because it can be changed into a prime (6463537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72580 + ... + 72668.

Almost surely, 2^6463536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6463536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8940276).

6463536 is an abundant number, since it is smaller than the sum of its proper divisors (11417016).

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

6463536 is a wasteful number, since it uses less digits than its factorization.

6463536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 111 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 6463536 is about 2542.3485205613. The cubic root of 6463536 is about 186.2759230017.

The spelling of 6463536 in words is "six million, four hundred sixty-three thousand, five hundred thirty-six".