64383984 has 200 divisors, whose sum is σ = 218938368. Its totient is φ = 17884800.

The previous prime is 64383967. The next prime is 64384009. The reversal of 64383984 is 48938346.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 426309 + ... + 426459.

Almost surely, 2^64383984 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 64383984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109469184).

64383984 is an abundant number, since it is smaller than the sum of its proper divisors (154554384).

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

64383984 is a wasteful number, since it uses less digits than its factorization.

64383984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 210 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 64383984 is about 8023.9631105832. The cubic root of 64383984 is about 400.7983721114.

The spelling of 64383984 in words is "sixty-four million, three hundred eighty-three thousand, nine hundred eighty-four".