64383312 has 80 divisors (see below), whose sum is σ = 192309120. Its totient is φ = 18180096.

The previous prime is 64383307. The next prime is 64383313. The reversal of 64383312 is 21338346.

64383312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64383312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64383313) 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 15 ways as a sum of consecutive naturals, for example, 28828 + ... + 30980.

It is an arithmetic number, because the mean of its divisors is an integer number (2403864).

Almost surely, 2^64383312 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 64383312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96154560).

64383312 is an abundant number, since it is smaller than the sum of its proper divisors (127925808).

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

64383312 is a wasteful number, since it uses less digits than its factorization.

64383312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260 (or 2254 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 64383312 is about 8023.9212359045. The cubic root of 64383312 is about 400.7969776785.

The spelling of 64383312 in words is "sixty-four million, three hundred eighty-three thousand, three hundred twelve".