2716645 has 8 divisors (see below), whose sum is σ = 3401856. Its totient is φ = 2078736.

The previous prime is 2716613. The next prime is 2716661. The reversal of 2716645 is 5466172.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2716645 - 2⁵ = 2716613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 11697 + ... + 11926.

It is an arithmetic number, because the mean of its divisors is an integer number (425232).

2^2716645 is an apocalyptic number.

It is an amenable number.

2716645 is a deficient number, since it is larger than the sum of its proper divisors (685211).

2716645 is a wasteful number, since it uses less digits than its factorization.

2716645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23651.

The product of its digits is 10080, while the sum is 31.

The square root of 2716645 is about 1648.2248026286. The cubic root of 2716645 is about 139.5332243590.

The spelling of 2716645 in words is "two million, seven hundred sixteen thousand, six hundred forty-five".