64383992 has 16 divisors (see below), whose sum is σ = 125969040. Its totient is φ = 30792256.

The previous prime is 64383967. The next prime is 64384009. The reversal of 64383992 is 29938346.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174773 + ... + 175140.

It is an arithmetic number, because the mean of its divisors is an integer number (7873065).

Almost surely, 2^64383992 is an apocalyptic number.

It is an amenable number.

64383992 is a deficient number, since it is larger than the sum of its proper divisors (61585048).

64383992 is a wasteful number, since it uses less digits than its factorization.

64383992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349942 (or 349938 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 64383992 is about 8023.9636090900. The cubic root of 64383992 is about 400.7983887118.

The spelling of 64383992 in words is "sixty-four million, three hundred eighty-three thousand, nine hundred ninety-two".