63983504 has 40 divisors (see below), whose sum is σ = 137824512. Its totient is φ = 28575360.

The previous prime is 63983503. The next prime is 63983509. The reversal of 63983504 is 40538936.

It is not an unprimeable number, because it can be changed into a prime (63983501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487 + ... + 11409.

Almost surely, 2^63983504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63983504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68912256).

63983504 is an abundant number, since it is smaller than the sum of its proper divisors (73841008).

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

63983504 is a wasteful number, since it uses less digits than its factorization.

63983504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9975 (or 9969 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 63983504 is about 7998.9689335564. The cubic root of 63983504 is about 399.9656303802.

The spelling of 63983504 in words is "sixty-three million, nine hundred eighty-three thousand, five hundred four".