192040993 has 8 divisors (see below), whose sum is σ = 206672040. Its totient is φ = 177780480.

The previous prime is 192040973. The next prime is 192041009. The reversal of 192040993 is 399040291.

It can be written as a sum of positive squares in 4 ways, for example, as 59721984 + 132319009 = 7728^2 + 11503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 192040993 - 2¹³ = 192032801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192040903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91558 + ... + 93631.

It is an arithmetic number, because the mean of its divisors is an integer number (25834005).

Almost surely, 2^192040993 is an apocalyptic number.

It is an amenable number.

192040993 is a deficient number, since it is larger than the sum of its proper divisors (14631047).

192040993 is a wasteful number, since it uses less digits than its factorization.

192040993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185267.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 192040993 is about 13857.8855890789. The cubic root of 192040993 is about 576.9408822407.

The spelling of 192040993 in words is "one hundred ninety-two million, forty thousand, nine hundred ninety-three".