2047993 has 2 divisors, whose sum is σ = 2047994. Its totient is φ = 2047992.

The previous prime is 2047967. The next prime is 2048003. The reversal of 2047993 is 3997402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2036329 + 11664 = 1427^2 + 108^2 .

It is a cyclic number.

It is not a de Polignac number, because 2047993 - 2⁹ = 2047481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2047933) by changing a digit.

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 as a sum of consecutive naturals, namely, 1023996 + 1023997.

It is an arithmetic number, because the mean of its divisors is an integer number (1023997).

2^2047993 is an apocalyptic number.

It is an amenable number.

2047993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047993 is an equidigital number, since it uses as much as digits as its factorization.

2047993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2047993 is about 1431.0810598984. The cubic root of 2047993 is about 126.9919394723.

The spelling of 2047993 in words is "two million, forty-seven thousand, nine hundred ninety-three".