1706039 has 4 divisors (see below), whose sum is σ = 1713360. Its totient is φ = 1698720.

The previous prime is 1706009. The next prime is 1706057. The reversal of 1706039 is 9306071.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9306071 = 29 ⋅320899.

It is a cyclic number.

It is not a de Polignac number, because 1706039 - 2¹⁶ = 1640503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1705999 and 1706017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1706009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3299 + ... + 3780.

It is an arithmetic number, because the mean of its divisors is an integer number (428340).

2^1706039 is an apocalyptic number.

1706039 is a deficient number, since it is larger than the sum of its proper divisors (7321).

1706039 is an equidigital number, since it uses as much as digits as its factorization.

1706039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 1706039 is about 1306.1542787895. The cubic root of 1706039 is about 119.4894746307.

The spelling of 1706039 in words is "one million, seven hundred six thousand, thirty-nine".