2891363 has 8 divisors (see below), whose sum is σ = 3115200. Its totient is φ = 2674728.

The previous prime is 2891359. The next prime is 2891381. The reversal of 2891363 is 3631982.

2891363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2891363 - 2² = 2891359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2891303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953 + ... + 2586.

It is an arithmetic number, because the mean of its divisors is an integer number (389400).

2^2891363 is an apocalyptic number.

2891363 is a deficient number, since it is larger than the sum of its proper divisors (223837).

2891363 is a wasteful number, since it uses less digits than its factorization.

2891363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601.

The product of its digits is 7776, while the sum is 32.

The square root of 2891363 is about 1700.4008350974. The cubic root of 2891363 is about 142.4626022720.

The spelling of 2891363 in words is "two million, eight hundred ninety-one thousand, three hundred sixty-three".