63389984 has 24 divisors (see below), whose sum is σ = 142627968. Its totient is φ = 27167040.

The previous prime is 63389971. The next prime is 63389999. The reversal of 63389984 is 48998336.

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, 141272 + ... + 141719.

It is an arithmetic number, because the mean of its divisors is an integer number (5942832).

Almost surely, 2^63389984 is an apocalyptic number.

It is an amenable number.

63389984 is an abundant number, since it is smaller than the sum of its proper divisors (79237984).

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

63389984 is a wasteful number, since it uses less digits than its factorization.

63389984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283008 (or 283000 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 50.

The square root of 63389984 is about 7961.7827149452. The cubic root of 63389984 is about 398.7250740603.

The spelling of 63389984 in words is "sixty-three million, three hundred eighty-nine thousand, nine hundred eighty-four".