2891395 has 8 divisors (see below), whose sum is σ = 3736656. Its totient is φ = 2135136.

The previous prime is 2891389. The next prime is 2891407. The reversal of 2891395 is 5931982.

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 2891395 - 2⁹ = 2890883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22177 + ... + 22306.

It is an arithmetic number, because the mean of its divisors is an integer number (467082).

2^2891395 is an apocalyptic number.

2891395 is a deficient number, since it is larger than the sum of its proper divisors (845261).

2891395 is a wasteful number, since it uses less digits than its factorization.

2891395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44501.

The product of its digits is 19440, while the sum is 37.

The square root of 2891395 is about 1700.4102446175. The cubic root of 2891395 is about 142.4631278357.

The spelling of 2891395 in words is "two million, eight hundred ninety-one thousand, three hundred ninety-five".