1006839 has 6 divisors (see below), whose sum is σ = 1454336. Its totient is φ = 671220.

The previous prime is 1006799. The next prime is 1006847. The reversal of 1006839 is 9386001.

It is not a de Polignac number, because 1006839 - 2⁷ = 1006711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55927 + ... + 55944.

2^1006839 is an apocalyptic number.

1006839 is a deficient number, since it is larger than the sum of its proper divisors (447497).

1006839 is a wasteful number, since it uses less digits than its factorization.

1006839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111877 (or 111874 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1006839 is about 1003.4136734169. The cubic root of 1006839 is about 100.2274489442.

The spelling of 1006839 in words is "one million, six thousand, eight hundred thirty-nine".