1992998975 has 12 divisors (see below), whose sum is σ = 2695984440. Its totient is φ = 1449453600.

The previous prime is 1992998933. The next prime is 1992998981. The reversal of 1992998975 is 5798992991.

It is not a de Polignac number, because 1992998975 - 2⁸ = 1992998719 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 3623360 + ... + 3623909.

It is an arithmetic number, because the mean of its divisors is an integer number (224665370).

Almost surely, 2^1992998975 is an apocalyptic number.

1992998975 is a deficient number, since it is larger than the sum of its proper divisors (702985465).

1992998975 is a wasteful number, since it uses less digits than its factorization.

1992998975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7247290 (or 7247285 counting only the distinct ones).

The product of its digits is 33067440, while the sum is 68.

The square root of 1992998975 is about 44643.0170911420. The cubic root of 1992998975 is about 1258.4492080282.

The spelling of 1992998975 in words is "one billion, nine hundred ninety-two million, nine hundred ninety-eight thousand, nine hundred seventy-five".