2195605 has 8 divisors (see below), whose sum is σ = 2691072. Its totient is φ = 1718928.

The previous prime is 2195597. The next prime is 2195629. The reversal of 2195605 is 5065912.

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 2195605 - 2³ = 2195597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 4437 + ... + 4906.

It is an arithmetic number, because the mean of its divisors is an integer number (336384).

2^2195605 is an apocalyptic number.

It is an amenable number.

2195605 is a deficient number, since it is larger than the sum of its proper divisors (495467).

2195605 is an equidigital number, since it uses as much as digits as its factorization.

2195605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9395.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 2195605 is about 1481.7574025460. The cubic root of 2195605 is about 129.9724793815.

The spelling of 2195605 in words is "two million, one hundred ninety-five thousand, six hundred five".