4859855 has 32 divisors (see below), whose sum is σ = 7838208. Its totient is φ = 2793600.

The previous prime is 4859837. The next prime is 4859861. The reversal of 4859855 is 5589584.

It is not a de Polignac number, because 4859855 - 2¹⁰ = 4858831 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4520 + ... + 5490.

It is an arithmetic number, because the mean of its divisors is an integer number (244944).

Almost surely, 2^4859855 is an apocalyptic number.

4859855 is a deficient number, since it is larger than the sum of its proper divisors (2978353).

4859855 is a wasteful number, since it uses less digits than its factorization.

4859855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its digits is 288000, while the sum is 44.

The square root of 4859855 is about 2204.5078815917. The cubic root of 4859855 is about 169.3848006112.

The spelling of 4859855 in words is "four million, eight hundred fifty-nine thousand, eight hundred fifty-five".