2195439 has 8 divisors (see below), whose sum is σ = 2935680. Its totient is φ = 1459416.

The previous prime is 2195411. The next prime is 2195441. The reversal of 2195439 is 9345912.

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

It is not a de Polignac number, because 2195439 - 2⁷ = 2195311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484 + ... + 2150.

It is an arithmetic number, because the mean of its divisors is an integer number (366960).

2^2195439 is an apocalyptic number.

2195439 is a deficient number, since it is larger than the sum of its proper divisors (740241).

2195439 is a wasteful number, since it uses less digits than its factorization.

2195439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109.

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

The square root of 2195439 is about 1481.7013869198. The cubic root of 2195439 is about 129.9692037505.

The spelling of 2195439 in words is "two million, one hundred ninety-five thousand, four hundred thirty-nine".