63305984 has 36 divisors (see below), whose sum is σ = 144420864. Its totient is φ = 27130368.

The previous prime is 63305981. The next prime is 63305989. The reversal of 63305984 is 48950336.

It is a super-2 number, since 2×63305984² = 8015295220416512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63305981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15872 + ... + 19455.

Almost surely, 2^63305984 is an apocalyptic number.

63305984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

63305984 is an abundant number, since it is smaller than the sum of its proper divisors (81114880).

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

63305984 is an equidigital number, since it uses as much as digits as its factorization.

63305984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35350 (or 35336 counting only the distinct ones).

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

The square root of 63305984 is about 7956.5057657240. The cubic root of 63305984 is about 398.5488752921.

The spelling of 63305984 in words is "sixty-three million, three hundred five thousand, nine hundred eighty-four".