64328841 has 24 divisors (see below), whose sum is σ = 94891680. Its totient is φ = 41985216.

The previous prime is 64328791. The next prime is 64328843. The reversal of 64328841 is 14882346.

64328841 is a `hidden beast` number, since 643 + 2 + 8 + 8 + 4 + 1 = 666.

64328841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64328841 - 2¹⁵ = 64296073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64328796 and 64328805.

It is not an unprimeable number, because it can be changed into a prime (64328843) 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 23 ways as a sum of consecutive naturals, for example, 117330 + ... + 117876.

It is an arithmetic number, because the mean of its divisors is an integer number (3953820).

Almost surely, 2^64328841 is an apocalyptic number.

It is an amenable number.

64328841 is a deficient number, since it is larger than the sum of its proper divisors (30562839).

64328841 is a wasteful number, since it uses less digits than its factorization.

64328841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 802 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 64328841 is about 8020.5262296186. The cubic root of 64328841 is about 400.6839153995.

The spelling of 64328841 in words is "sixty-four million, three hundred twenty-eight thousand, eight hundred forty-one".