2195839 has 8 divisors (see below), whose sum is σ = 2388528. Its totient is φ = 2010240.

The previous prime is 2195827. The next prime is 2195861. The reversal of 2195839 is 9385912.

2195839 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 2195839 - 2¹¹ = 2193791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2195798 and 2195807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195819) 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, 1117 + ... + 2374.

It is an arithmetic number, because the mean of its divisors is an integer number (298566).

2^2195839 is an apocalyptic number.

2195839 is a deficient number, since it is larger than the sum of its proper divisors (192689).

2195839 is a wasteful number, since it uses less digits than its factorization.

2195839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545.

The product of its digits is 19440, while the sum is 37.

The square root of 2195839 is about 1481.8363607362. The cubic root of 2195839 is about 129.9770965568.

The spelling of 2195839 in words is "two million, one hundred ninety-five thousand, eight hundred thirty-nine".