2195965 has 8 divisors (see below), whose sum is σ = 2649600. Its totient is φ = 1747152.

The previous prime is 2195933. The next prime is 2195969. The reversal of 2195965 is 5695912.

2195965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2195965 - 2⁵ = 2195933 is a prime.

2195965 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109 + ... + 2098.

It is an arithmetic number, because the mean of its divisors is an integer number (331200).

2^2195965 is an apocalyptic number.

It is an amenable number.

2195965 is a deficient number, since it is larger than the sum of its proper divisors (453635).

2195965 is a wasteful number, since it uses less digits than its factorization.

2195965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411.

The product of its digits is 24300, while the sum is 37.

The square root of 2195965 is about 1481.8788749422. The cubic root of 2195965 is about 129.9795825923.

It can be divided in two parts, 2195 and 965, that added together give a triangular number (3160 = T₇₉).

The spelling of 2195965 in words is "two million, one hundred ninety-five thousand, nine hundred sixty-five".