2849891 has 6 divisors (see below), whose sum is σ = 3115092. Its totient is φ = 2585720.

The previous prime is 2849887. The next prime is 2849893. The reversal of 2849891 is 1989482.

It is not a de Polignac number, because 2849891 - 2² = 2849887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2849893) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5345 + ... + 5853.

It is an arithmetic number, because the mean of its divisors is an integer number (519182).

2^2849891 is an apocalyptic number.

2849891 is a deficient number, since it is larger than the sum of its proper divisors (265201).

2849891 is an frugal number, since it uses more digits than its factorization.

2849891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 520 counting only the distinct ones).

The product of its digits is 41472, while the sum is 41.

The square root of 2849891 is about 1688.1620182909. The cubic root of 2849891 is about 141.7781863911.

The spelling of 2849891 in words is "two million, eight hundred forty-nine thousand, eight hundred ninety-one".