63496686 has 32 divisors (see below), whose sum is σ = 139700736. Its totient is φ = 19239000.

The previous prime is 63496679. The next prime is 63496687. The reversal of 63496686 is 68669436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63496687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4011 + ... + 11961.

It is an arithmetic number, because the mean of its divisors is an integer number (4365648).

Almost surely, 2^63496686 is an apocalyptic number.

63496686 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 63496686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69850368).

63496686 is an abundant number, since it is smaller than the sum of its proper divisors (76204050).

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

63496686 is a wasteful number, since it uses less digits than its factorization.

63496686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7989 (or 7967 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 48.

The square root of 63496686 is about 7968.4807836877. The cubic root of 63496686 is about 398.9486683419.

The spelling of 63496686 in words is "sixty-three million, four hundred ninety-six thousand, six hundred eighty-six".