2042709 has 8 divisors (see below), whose sum is σ = 2867040. Its totient is φ = 1290096.

The previous prime is 2042687. The next prime is 2042717. The reversal of 2042709 is 9072402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2042709 - 2⁷ = 2042581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042749) 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 in 7 ways as a sum of consecutive naturals, for example, 17862 + ... + 17975.

It is an arithmetic number, because the mean of its divisors is an integer number (358380).

2^2042709 is an apocalyptic number.

It is an amenable number.

2042709 is a deficient number, since it is larger than the sum of its proper divisors (824331).

2042709 is a wasteful number, since it uses less digits than its factorization.

2042709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35859.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2042709 is about 1429.2337107695. The cubic root of 2042709 is about 126.8826286595.

The spelling of 2042709 in words is "two million, forty-two thousand, seven hundred nine".