2168593 has 6 divisors (see below), whose sum is σ = 2522706. Its totient is φ = 1858752.

The previous prime is 2168587. The next prime is 2168599. The reversal of 2168593 is 3958612.

It is an interprime number because it is at equal distance from previous prime (2168587) and next prime (2168599).

It can be written as a sum of positive squares in only one way, i.e., 2140369 + 28224 = 1463^2 + 168^2 .

It is not a de Polignac number, because 2168593 - 2⁹ = 2168081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2168599) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22080 + ... + 22177.

It is an arithmetic number, because the mean of its divisors is an integer number (420451).

2^2168593 is an apocalyptic number.

It is an amenable number.

2168593 is a deficient number, since it is larger than the sum of its proper divisors (354113).

2168593 is an equidigital number, since it uses as much as digits as its factorization.

2168593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44271 (or 44264 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 2168593 is about 1472.6143419103. The cubic root of 2168593 is about 129.4372717872.

The spelling of 2168593 in words is "two million, one hundred sixty-eight thousand, five hundred ninety-three".