1984039 has 2 divisors, whose sum is σ = 1984040. Its totient is φ = 1984038.

The previous prime is 1984013. The next prime is 1984043. The reversal of 1984039 is 9304891.

It is a strong prime.

It is an emirp because it is prime and its reverse (9304891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1984039 - 2⁵ = 1984007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1983995 and 1984013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1984069) 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 as a sum of consecutive naturals, namely, 992019 + 992020.

It is an arithmetic number, because the mean of its divisors is an integer number (992020).

2^1984039 is an apocalyptic number.

1984039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1984039 is an equidigital number, since it uses as much as digits as its factorization.

1984039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1984039 is about 1408.5591929344. The cubic root of 1984039 is about 125.6560494360.

The spelling of 1984039 in words is "one million, nine hundred eighty-four thousand, thirty-nine".