1992648892 has 12 divisors (see below), whose sum is σ = 3755376856. Its totient is φ = 919684080.

The previous prime is 1992648869. The next prime is 1992648919. The reversal of 1992648892 is 2988462991.

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, 19160034 + ... + 19160137.

Almost surely, 2^1992648892 is an apocalyptic number.

It is an amenable number.

1992648892 is a deficient number, since it is larger than the sum of its proper divisors (1762727964).

1992648892 is a wasteful number, since it uses less digits than its factorization.

1992648892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38320188 (or 38320186 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 58.

The square root of 1992648892 is about 44639.0960033915. The cubic root of 1992648892 is about 1258.3755188329.

The spelling of 1992648892 in words is "one billion, nine hundred ninety-two million, six hundred forty-eight thousand, eight hundred ninety-two".