64336384 has 80 divisors (see below), whose sum is σ = 152222400. Its totient is φ = 26578944.

The previous prime is 64336361. The next prime is 64336397. The reversal of 64336384 is 48363346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103627 + ... + 104245.

It is an arithmetic number, because the mean of its divisors is an integer number (1902780).

Almost surely, 2^64336384 is an apocalyptic number.

64336384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64336384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76111200).

64336384 is an abundant number, since it is smaller than the sum of its proper divisors (87886016).

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

64336384 is an equidigital number, since it uses as much as digits as its factorization.

64336384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 657 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

The square root of 64336384 is about 8020.9964468263. The cubic root of 64336384 is about 400.6995757711.

The spelling of 64336384 in words is "sixty-four million, three hundred thirty-six thousand, three hundred eighty-four".