63806944 has 24 divisors (see below), whose sum is σ = 129017448. Its totient is φ = 31040640.

The previous prime is 63806909. The next prime is 63806971. The reversal of 63806944 is 44960836.

It is a super-2 number, since 2×63806944² = 8142652205238272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63806897 and 63806906.

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, 25762 + ... + 28129.

It is an arithmetic number, because the mean of its divisors is an integer number (5375727).

Almost surely, 2^63806944 is an apocalyptic number.

It is an amenable number.

63806944 is an abundant number, since it is smaller than the sum of its proper divisors (65210504).

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

63806944 is a wasteful number, since it uses less digits than its factorization.

63806944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53938 (or 53930 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 63806944 is about 7987.9248869778. The cubic root of 63806944 is about 399.5973949088.

The spelling of 63806944 in words is "sixty-three million, eight hundred six thousand, nine hundred forty-four".