1992673 has 2 divisors, whose sum is σ = 1992674. Its totient is φ = 1992672.

The previous prime is 1992643. The next prime is 1992691. The reversal of 1992673 is 3762991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1456849 + 535824 = 1207^2 + 732^2 .

It is an emirp because it is prime and its reverse (3762991) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1992673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1992623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996336 + 996337.

It is an arithmetic number, because the mean of its divisors is an integer number (996337).

2^1992673 is an apocalyptic number.

It is an amenable number.

1992673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992673 is an equidigital number, since it uses as much as digits as its factorization.

1992673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The square root of 1992673 is about 1411.6206997632. The cubic root of 1992673 is about 125.8380593618.

The spelling of 1992673 in words is "one million, nine hundred ninety-two thousand, six hundred seventy-three".