63984369 has 8 divisors (see below), whose sum is σ = 85522720. Its totient is φ = 42551136.

The previous prime is 63984337. The next prime is 63984373. The reversal of 63984369 is 96348936.

63984369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63984369 - 2⁵ = 63984337 is a prime.

It is a super-2 number, since 2×63984369² = 8187998952656322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63984769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24847 + ... + 27300.

It is an arithmetic number, because the mean of its divisors is an integer number (10690340).

Almost surely, 2^63984369 is an apocalyptic number.

It is an amenable number.

63984369 is a deficient number, since it is larger than the sum of its proper divisors (21538351).

63984369 is a wasteful number, since it uses less digits than its factorization.

63984369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52559.

The product of its digits is 839808, while the sum is 48.

The square root of 63984369 is about 7999.0230028423. The cubic root of 63984369 is about 399.9674327652.

The spelling of 63984369 in words is "sixty-three million, nine hundred eighty-four thousand, three hundred sixty-nine".