2195783 has 4 divisors (see below), whose sum is σ = 2211720. Its totient is φ = 2179848.

The previous prime is 2195777. The next prime is 2195801. The reversal of 2195783 is 3875912.

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 2195783 - 2⁸ = 2195527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7760 + ... + 8037.

It is an arithmetic number, because the mean of its divisors is an integer number (552930).

2^2195783 is an apocalyptic number.

2195783 is a deficient number, since it is larger than the sum of its proper divisors (15937).

2195783 is a wasteful number, since it uses less digits than its factorization.

2195783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15936.

The product of its digits is 15120, while the sum is 35.

The square root of 2195783 is about 1481.8174651420. The cubic root of 2195783 is about 129.9759916216.

The spelling of 2195783 in words is "two million, one hundred ninety-five thousand, seven hundred eighty-three".