2716643 has 4 divisors (see below), whose sum is σ = 2725800. Its totient is φ = 2707488.

The previous prime is 2716613. The next prime is 2716661. The reversal of 2716643 is 3466172.

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

It is a cyclic number.

It is not a de Polignac number, because 2716643 - 2⁶ = 2716579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2716603) 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, 4118 + ... + 4731.

It is an arithmetic number, because the mean of its divisors is an integer number (681450).

2^2716643 is an apocalyptic number.

2716643 is a deficient number, since it is larger than the sum of its proper divisors (9157).

2716643 is an equidigital number, since it uses as much as digits as its factorization.

2716643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9156.

The product of its digits is 6048, while the sum is 29.

The square root of 2716643 is about 1648.2241959151. The cubic root of 2716643 is about 139.5331901175.

It can be divided in two parts, 271 and 6643, that multiplied together give a triangular number (1800253 = T₁₈₉₇).

The spelling of 2716643 in words is "two million, seven hundred sixteen thousand, six hundred forty-three".