63684484 has 12 divisors (see below), whose sum is σ = 112700700. Its totient is φ = 31484288.

The previous prime is 63684479. The next prime is 63684497. The reversal of 63684484 is 48448636.

It can be written as a sum of positive squares in 2 ways, for example, as 5161984 + 58522500 = 2272^2 + 7650^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63684484.

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, 89089 + ... + 89800.

It is an arithmetic number, because the mean of its divisors is an integer number (9391725).

Almost surely, 2^63684484 is an apocalyptic number.

It is an amenable number.

63684484 is a deficient number, since it is larger than the sum of its proper divisors (49016216).

63684484 is a wasteful number, since it uses less digits than its factorization.

63684484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178982 (or 178980 counting only the distinct ones).

The product of its digits is 442368, while the sum is 43.

The square root of 63684484 is about 7980.2558856217. The cubic root of 63684484 is about 399.3415918414.

The spelling of 63684484 in words is "sixty-three million, six hundred eighty-four thousand, four hundred eighty-four".