2117673 has 12 divisors (see below), whose sum is σ = 3239028. Its totient is φ = 1328640.

The previous prime is 2117671. The next prime is 2117677. The reversal of 2117673 is 3767112.

It can be written as a sum of positive squares in 2 ways, for example, as 1172889 + 944784 = 1083^2 + 972^2 .

It is not a de Polignac number, because 2117673 - 2¹ = 2117671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2117671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6768 + ... + 7073.

It is an arithmetic number, because the mean of its divisors is an integer number (269919).

2^2117673 is an apocalyptic number.

It is an amenable number.

2117673 is a deficient number, since it is larger than the sum of its proper divisors (1121355).

2117673 is a wasteful number, since it uses less digits than its factorization.

2117673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13864 (or 13861 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 2117673 is about 1455.2226633749. Note that the first 3 decimals coincide. The cubic root of 2117673 is about 128.4161463958.

The spelling of 2117673 in words is "two million, one hundred seventeen thousand, six hundred seventy-three".