1016839 has 2 divisors, whose sum is σ = 1016840. Its totient is φ = 1016838.

The previous prime is 1016789. The next prime is 1016843. The reversal of 1016839 is 9386101.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9386101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1016839 - 2¹⁹ = 492551 is a prime.

It is equal to p₇₉₇₄₁ and since 1016839 and 79741 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508419 + 508420.

It is an arithmetic number, because the mean of its divisors is an integer number (508420).

2^1016839 is an apocalyptic number.

1016839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016839 is an equidigital number, since it uses as much as digits as its factorization.

1016839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1016839 is about 1008.3843513264. The cubic root of 1016839 is about 100.5581785699.

The spelling of 1016839 in words is "one million, sixteen thousand, eight hundred thirty-nine".