943968964 has 24 divisors (see below), whose sum is σ = 1664835480. Its totient is φ = 468313344.

The previous prime is 943968959. The next prime is 943968989. The reversal of 943968964 is 469869349.

It can be written as a sum of positive squares in 4 ways, for example, as 399680064 + 544288900 = 19992^2 + 23330^2 .

It is a junction number, because it is equal to n+sod(n) for n = 943968899 and 943968908.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 450832 + ... + 452920.

It is an arithmetic number, because the mean of its divisors is an integer number (69368145).

Almost surely, 2^943968964 is an apocalyptic number.

It is an amenable number.

943968964 is a deficient number, since it is larger than the sum of its proper divisors (720866516).

943968964 is a wasteful number, since it uses less digits than its factorization.

943968964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919 (or 2917 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 58.

The square root of 943968964 is about 30724.0779194429. The cubic root of 943968964 is about 980.9628756582.

The spelling of 943968964 in words is "nine hundred forty-three million, nine hundred sixty-eight thousand, nine hundred sixty-four".