2855847 has 8 divisors (see below), whose sum is σ = 4031856. Its totient is φ = 1791872.

The previous prime is 2855843. The next prime is 2855851. The reversal of 2855847 is 7485582.

It is an interprime number because it is at equal distance from previous prime (2855843) and next prime (2855851).

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 2855847 - 2² = 2855843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855843) 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, 27948 + ... + 28049.

It is an arithmetic number, because the mean of its divisors is an integer number (503982).

2^2855847 is an apocalyptic number.

2855847 is a deficient number, since it is larger than the sum of its proper divisors (1176009).

2855847 is a wasteful number, since it uses less digits than its factorization.

2855847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56017.

The product of its digits is 89600, while the sum is 39.

The square root of 2855847 is about 1689.9251462713. The cubic root of 2855847 is about 141.8768852887.

The spelling of 2855847 in words is "two million, eight hundred fifty-five thousand, eight hundred forty-seven".