64486328 has 8 divisors (see below), whose sum is σ = 120911880. Its totient is φ = 32243160.

The previous prime is 64486327. The next prime is 64486339. The reversal of 64486328 is 82368446.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64486327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4030388 + ... + 4030403.

It is an arithmetic number, because the mean of its divisors is an integer number (15113985).

Almost surely, 2^64486328 is an apocalyptic number.

It is an amenable number.

64486328 is a deficient number, since it is larger than the sum of its proper divisors (56425552).

64486328 is a wasteful number, since it uses less digits than its factorization.

64486328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8060797 (or 8060793 counting only the distinct ones).

The product of its digits is 221184, while the sum is 41.

The square root of 64486328 is about 8030.3379754528. The cubic root of 64486328 is about 401.0106277617.

The spelling of 64486328 in words is "sixty-four million, four hundred eighty-six thousand, three hundred twenty-eight".