1996128924 has 12 divisors (see below), whose sum is σ = 4657634184. Its totient is φ = 665376304.

The previous prime is 1996128919. The next prime is 1996128943. The reversal of 1996128924 is 4298216991.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 83172027 + ... + 83172050.

It is an arithmetic number, because the mean of its divisors is an integer number (388136182).

Almost surely, 2^1996128924 is an apocalyptic number.

It is an amenable number.

1996128924 is an abundant number, since it is smaller than the sum of its proper divisors (2661505260).

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

1996128924 is a wasteful number, since it uses less digits than its factorization.

1996128924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166344084 (or 166344082 counting only the distinct ones).

The product of its digits is 559872, while the sum is 51.

The square root of 1996128924 is about 44678.0586417987. The cubic root of 1996128924 is about 1259.1076498570.

The spelling of 1996128924 in words is "one billion, nine hundred ninety-six million, one hundred twenty-eight thousand, nine hundred twenty-four".