2165793 has 16 divisors (see below), whose sum is σ = 3326976. Its totient is φ = 1227600.

The previous prime is 2165773. The next prime is 2165809. The reversal of 2165793 is 3975612.

2165793 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 2165793 - 2¹² = 2161697 is a prime.

2165793 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2165773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2830 + ... + 3512.

It is an arithmetic number, because the mean of its divisors is an integer number (207936).

2^2165793 is an apocalyptic number.

It is an amenable number.

2165793 is a deficient number, since it is larger than the sum of its proper divisors (1161183).

2165793 is a wasteful number, since it uses less digits than its factorization.

2165793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844.

The product of its digits is 11340, while the sum is 33.

The square root of 2165793 is about 1471.6633446546. The cubic root of 2165793 is about 129.3815397287.

The spelling of 2165793 in words is "two million, one hundred sixty-five thousand, seven hundred ninety-three".