2891195 has 8 divisors (see below), whose sum is σ = 3486336. Its totient is φ = 2301696.

The previous prime is 2891171. The next prime is 2891201. The reversal of 2891195 is 5911982.

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 2891195 - 2¹⁴ = 2874811 is a prime.

It is an Ulam number.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 182 + ... + 2411.

It is an arithmetic number, because the mean of its divisors is an integer number (435792).

2^2891195 is an apocalyptic number.

2891195 is a deficient number, since it is larger than the sum of its proper divisors (595141).

2891195 is a wasteful number, since it uses less digits than its factorization.

2891195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821.

The product of its digits is 6480, while the sum is 35.

The square root of 2891195 is about 1700.3514342629. The cubic root of 2891195 is about 142.4598429988.

The spelling of 2891195 in words is "two million, eight hundred ninety-one thousand, one hundred ninety-five".