1964317984 has 24 divisors (see below), whose sum is σ = 3903400368. Its totient is φ = 972978240.

The previous prime is 1964317981. The next prime is 1964318003. The reversal of 1964317984 is 4897134691.

It is not an unprimeable number, because it can be changed into a prime (1964317981) 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, 283422 + ... + 290269.

It is an arithmetic number, because the mean of its divisors is an integer number (162641682).

Almost surely, 2^1964317984 is an apocalyptic number.

It is an amenable number.

1964317984 is a deficient number, since it is larger than the sum of its proper divisors (1939082384).

1964317984 is a wasteful number, since it uses less digits than its factorization.

1964317984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573808 (or 573800 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 1964317984 is about 44320.6270713761. The cubic root of 1964317984 is about 1252.3832896431.

The spelling of 1964317984 in words is "one billion, nine hundred sixty-four million, three hundred seventeen thousand, nine hundred eighty-four".