2849863 has 8 divisors (see below), whose sum is σ = 3075408. Its totient is φ = 2630784.

The previous prime is 2849857. The next prime is 2849887. The reversal of 2849863 is 3689482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2849863 - 2⁵ = 2849831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2849813) 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 7 ways as a sum of consecutive naturals, for example, 681 + ... + 2482.

It is an arithmetic number, because the mean of its divisors is an integer number (384426).

2^2849863 is an apocalyptic number.

2849863 is a deficient number, since it is larger than the sum of its proper divisors (225545).

2849863 is a wasteful number, since it uses less digits than its factorization.

2849863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233.

The product of its digits is 82944, while the sum is 40.

The square root of 2849863 is about 1688.1537252277. The cubic root of 2849863 is about 141.7777220690. Note that the first 4 decimals are identical.

It can be divided in two parts, 28498 and 63, that added together give a 4-th power (28561 = 13⁴).

The spelling of 2849863 in words is "two million, eight hundred forty-nine thousand, eight hundred sixty-three".