1992079 has 2 divisors, whose sum is σ = 1992080. Its totient is φ = 1992078.

The previous prime is 1992073. The next prime is 1992101. The reversal of 1992079 is 9702991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1992079 - 2¹¹ = 1990031 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1992073) 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, 996039 + 996040.

It is an arithmetic number, because the mean of its divisors is an integer number (996040).

2^1992079 is an apocalyptic number.

1992079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992079 is an equidigital number, since it uses as much as digits as its factorization.

1992079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 1992079 is about 1411.4102876202. The cubic root of 1992079 is about 125.8255543437.

It can be divided in two parts, 199 and 2079, that added together give a triangular number (2278 = T₆₇).

The spelling of 1992079 in words is "one million, nine hundred ninety-two thousand, seventy-nine".