63685244 has 12 divisors (see below), whose sum is σ = 127370544. Its totient is φ = 27293664.

The previous prime is 63685231. The next prime is 63685301. The reversal of 63685244 is 44258636.

63685244 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 63685198 and 63685207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137209 + ... + 1137264.

It is an arithmetic number, because the mean of its divisors is an integer number (10614212).

Almost surely, 2^63685244 is an apocalyptic number.

It is an amenable number.

63685244 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.

63685244 is a wasteful number, since it uses less digits than its factorization.

63685244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274484 (or 2274482 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 63685244 is about 7980.3035030004. The cubic root of 63685244 is about 399.3431803937.

The spelling of 63685244 in words is "sixty-three million, six hundred eighty-five thousand, two hundred forty-four".