1323664884 has 72 divisors (see below), whose sum is σ = 3377934560. Its totient is φ = 437026752.

The previous prime is 1323664861. The next prime is 1323664889. The reversal of 1323664884 is 4884663231.

1323664884 is a `hidden beast` number, since 132 + 36 + 6 + 488 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323664889) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2530647 + ... + 2531169.

Almost surely, 2^1323664884 is an apocalyptic number.

It is an amenable number.

1323664884 is an abundant number, since it is smaller than the sum of its proper divisors (2054269676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323664884 is a wasteful number, since it uses less digits than its factorization.

1323664884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1064 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 1323664884 is about 36382.2055955930. The cubic root of 1323664884 is about 1097.9755834797.

The spelling of 1323664884 in words is "one billion, three hundred twenty-three million, six hundred sixty-four thousand, eight hundred eighty-four".