2716909 has 4 divisors (see below), whose sum is σ = 2925916. Its totient is φ = 2507904.

The previous prime is 2716907. The next prime is 2716913. The reversal of 2716909 is 9096172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1814409 + 902500 = 1347^2 + 950^2 .

It is a cyclic number.

It is not a de Polignac number, because 2716909 - 2¹ = 2716907 is a prime.

It is a Duffinian number.

2716909 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2716907) 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 3 ways as a sum of consecutive naturals, for example, 104484 + ... + 104509.

It is an arithmetic number, because the mean of its divisors is an integer number (731479).

2^2716909 is an apocalyptic number.

It is an amenable number.

2716909 is a deficient number, since it is larger than the sum of its proper divisors (209007).

2716909 is a wasteful number, since it uses less digits than its factorization.

2716909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209006.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 2716909 is about 1648.3048868459. The cubic root of 2716909 is about 139.5377440979.

The spelling of 2716909 in words is "two million, seven hundred sixteen thousand, nine hundred nine".