2195829 has 10 divisors (see below), whose sum is σ = 3280310. Its totient is φ = 1463832.

The previous prime is 2195827. The next prime is 2195861. The reversal of 2195829 is 9285912.

It can be written as a sum of positive squares in only one way, i.e., 1703025 + 492804 = 1305^2 + 702^2 .

It is not a de Polignac number, because 2195829 - 2¹ = 2195827 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2195793 and 2195802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195827) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13474 + ... + 13635.

It is an arithmetic number, because the mean of its divisors is an integer number (328031).

2^2195829 is an apocalyptic number.

It is an amenable number.

2195829 is a deficient number, since it is larger than the sum of its proper divisors (1084481).

2195829 is an equidigital number, since it uses as much as digits as its factorization.

2195829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27121 (or 27112 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 2195829 is about 1481.8329865407. The cubic root of 2195829 is about 129.9768992483.

The spelling of 2195829 in words is "two million, one hundred ninety-five thousand, eight hundred twenty-nine".