63909244 has 12 divisors (see below), whose sum is σ = 127818544. Its totient is φ = 27389664.

The previous prime is 63909193. The next prime is 63909247. The reversal of 63909244 is 44290936.

63909244 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63909247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141209 + ... + 1141264.

Almost surely, 2^63909244 is an apocalyptic number.

It is an amenable number.

63909244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63909244 is a wasteful number, since it uses less digits than its factorization.

63909244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282484 (or 2282482 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 63909244 is about 7994.3257376717. The cubic root of 63909244 is about 399.8108355561.

The spelling of 63909244 in words is "sixty-three million, nine hundred nine thousand, two hundred forty-four".