64984648 has 16 divisors (see below), whose sum is σ = 121950000. Its totient is φ = 32464656.

The previous prime is 64984643. The next prime is 64984651. The reversal of 64984648 is 84648946.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64984643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9283 + ... + 14701.

It is an arithmetic number, because the mean of its divisors is an integer number (7621875).

Almost surely, 2^64984648 is an apocalyptic number.

It is an amenable number.

64984648 is a deficient number, since it is larger than the sum of its proper divisors (56965352).

64984648 is a wasteful number, since it uses less digits than its factorization.

64984648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6924 (or 6920 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

The square root of 64984648 is about 8061.3056014519. The cubic root of 64984648 is about 402.0409189143.

The spelling of 64984648 in words is "sixty-four million, nine hundred eighty-four thousand, six hundred forty-eight".