64003888 has 20 divisors (see below), whose sum is σ = 133547008. Its totient is φ = 29540160.

The previous prime is 64003879. The next prime is 64003889. The reversal of 64003888 is 88830046.

64003888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64003889) 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 3 ways as a sum of consecutive naturals, for example, 153648 + ... + 154063.

Almost surely, 2^64003888 is an apocalyptic number.

It is an amenable number.

64003888 is an abundant number, since it is smaller than the sum of its proper divisors (69543120).

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

64003888 is a wasteful number, since it uses less digits than its factorization.

64003888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307732 (or 307726 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 64003888 is about 8000.2429963095. The cubic root of 64003888 is about 400.0080998360.

The spelling of 64003888 in words is "sixty-four million, three thousand, eight hundred eighty-eight".