2195378 has 8 divisors (see below), whose sum is σ = 3300780. Its totient is φ = 1095120.

The previous prime is 2195359. The next prime is 2195381. The reversal of 2195378 is 8735912.

It can be written as a sum of positive squares in 2 ways, for example, as 2007889 + 187489 = 1417^2 + 433^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 2096.

2^2195378 is an apocalyptic number.

2195378 is a deficient number, since it is larger than the sum of its proper divisors (1105402).

2195378 is a wasteful number, since it uses less digits than its factorization.

2195378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572.

The product of its digits is 15120, while the sum is 35.

The square root of 2195378 is about 1481.6808023323. The cubic root of 2195378 is about 129.9680000133.

The spelling of 2195378 in words is "two million, one hundred ninety-five thousand, three hundred seventy-eight".