63648484 has 9 divisors (see below), whose sum is σ = 111412777. Its totient is φ = 31816264.

The previous prime is 63648457. The next prime is 63648503. The reversal of 63648484 is 48484636.

The square root of 63648484 is 7978.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 30008484 + 33640000 = 5478^2 + 5800^2 .

It is a super-2 number, since 2×63648484² = 8102259030996512, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63648484.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 13962 + ... + 17950.

Almost surely, 2^63648484 is an apocalyptic number.

63648484 is the 7978-th square number.

It is an amenable number.

63648484 is a deficient number, since it is larger than the sum of its proper divisors (47764293).

63648484 is an frugal number, since it uses more digits than its factorization.

63648484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7982 (or 3991 counting only the distinct ones).

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

The cubic root of 63648484 is about 399.2663301441.

The spelling of 63648484 in words is "sixty-three million, six hundred forty-eight thousand, four hundred eighty-four".