1992090933 has 18 divisors (see below), whose sum is σ = 3347255574. Its totient is φ = 1138337424.

The previous prime is 1992090883. The next prime is 1992090979. The reversal of 1992090933 is 3390902991.

It can be written as a sum of positive squares in only one way, i.e., 1795894884 + 196196049 = 42378^2 + 14007^2 .

It is not a de Polignac number, because 1992090933 - 2⁶ = 1992090869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992090433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2258166 + ... + 2259047.

It is an arithmetic number, because the mean of its divisors is an integer number (185958643).

Almost surely, 2^1992090933 is an apocalyptic number.

It is an amenable number.

1992090933 is a deficient number, since it is larger than the sum of its proper divisors (1355164641).

1992090933 is a wasteful number, since it uses less digits than its factorization.

1992090933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517233 (or 4517223 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 45.

The square root of 1992090933 is about 44632.8458985084. The cubic root of 1992090933 is about 1258.2580558430.

The spelling of 1992090933 in words is "one billion, nine hundred ninety-two million, ninety thousand, nine hundred thirty-three".