64004346 has 24 divisors (see below), whose sum is σ = 158487264. Its totient is φ = 18286920.

The previous prime is 64004333. The next prime is 64004387. The reversal of 64004346 is 64340046.

It is a happy number.

64004346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 253860 + ... + 254111.

It is an arithmetic number, because the mean of its divisors is an integer number (6603636).

Almost surely, 2^64004346 is an apocalyptic number.

64004346 is an abundant number, since it is smaller than the sum of its proper divisors (94482918).

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

64004346 is a wasteful number, since it uses less digits than its factorization.

64004346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507986 (or 507983 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 64004346 is about 8000.2716203889. The cubic root of 64004346 is about 400.0090539617.

The spelling of 64004346 in words is "sixty-four million, four thousand, three hundred forty-six".