2717983 has 4 divisors (see below), whose sum is σ = 2791480. Its totient is φ = 2644488.

The previous prime is 2717929. The next prime is 2717993. The reversal of 2717983 is 3897172.

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 2717983 - 2¹⁷ = 2586911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 73459 = 2717983 / (2 + 7 + 1 + 7 + 9 + 8 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2717903) 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, 36693 + ... + 36766.

It is an arithmetic number, because the mean of its divisors is an integer number (697870).

2^2717983 is an apocalyptic number.

2717983 is a deficient number, since it is larger than the sum of its proper divisors (73497).

2717983 is an equidigital number, since it uses as much as digits as its factorization.

2717983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73496.

The product of its digits is 21168, while the sum is 37.

The square root of 2717983 is about 1648.6306438981. The cubic root of 2717983 is about 139.5561281996.

Subtracting from 2717983 its sum of digits (37), we obtain a triangular number (2717946 = T₂₃₃₁).

The spelling of 2717983 in words is "two million, seven hundred seventeen thousand, nine hundred eighty-three".