2195843 has 8 divisors (see below), whose sum is σ = 2410128. Its totient is φ = 1988064.

The previous prime is 2195827. The next prime is 2195861. The reversal of 2195843 is 3485912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2195843 - 2⁴ = 2195827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2195863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905 + ... + 2282.

It is an arithmetic number, because the mean of its divisors is an integer number (301266).

2^2195843 is an apocalyptic number.

2195843 is a deficient number, since it is larger than the sum of its proper divisors (214285).

2195843 is a wasteful number, since it uses less digits than its factorization.

2195843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253.

The product of its digits is 8640, while the sum is 32.

The square root of 2195843 is about 1481.8377104123. The cubic root of 2195843 is about 129.9771754800.

The spelling of 2195843 in words is "two million, one hundred ninety-five thousand, eight hundred forty-three".