2195943 has 4 divisors (see below), whose sum is σ = 2927928. Its totient is φ = 1463960.

The previous prime is 2195933. The next prime is 2195969. The reversal of 2195943 is 3495912.

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 2195943 - 2⁵ = 2195911 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195923) 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, 365988 + ... + 365993.

It is an arithmetic number, because the mean of its divisors is an integer number (731982).

2^2195943 is an apocalyptic number.

2195943 is a deficient number, since it is larger than the sum of its proper divisors (731985).

2195943 is an equidigital number, since it uses as much as digits as its factorization.

2195943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731984.

The product of its digits is 9720, while the sum is 33.

The square root of 2195943 is about 1481.8714519148. The cubic root of 2195943 is about 129.9791485295.

The spelling of 2195943 in words is "two million, one hundred ninety-five thousand, nine hundred forty-three".