2847889 has 8 divisors (see below), whose sum is σ = 3124800. Its totient is φ = 2574000.

The previous prime is 2847863. The next prime is 2847893. The reversal of 2847889 is 9887482.

2847889 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 not a de Polignac number, because 2847889 - 2¹¹ = 2845841 is a prime.

It is a super-2 number, since 2×2847889² = 16220943512642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2847839) 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, 1539 + ... + 2839.

It is an arithmetic number, because the mean of its divisors is an integer number (390600).

2^2847889 is an apocalyptic number.

It is an amenable number.

2847889 is a deficient number, since it is larger than the sum of its proper divisors (276911).

2847889 is a wasteful number, since it uses less digits than its factorization.

2847889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511.

The product of its digits is 258048, while the sum is 46.

The square root of 2847889 is about 1687.5689615539. The cubic root of 2847889 is about 141.7449796919.

The spelling of 2847889 in words is "two million, eight hundred forty-seven thousand, eight hundred eighty-nine".