4855851 has 72 divisors (see below), whose sum is σ = 9682400. Its totient is φ = 2328480.

The previous prime is 4855831. The next prime is 4855867. The reversal of 4855851 is 1585584.

It is not a de Polignac number, because 4855851 - 2⁶ = 4855787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4855801) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 373521 + ... + 373533.

Almost surely, 2^4855851 is an apocalyptic number.

4855851 is a deficient number, since it is larger than the sum of its proper divisors (4826549).

4855851 is a wasteful number, since it uses less digits than its factorization.

4855851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 34 counting only the distinct ones).

The product of its digits is 32000, while the sum is 36.

The square root of 4855851 is about 2203.5995552731. The cubic root of 4855851 is about 169.3382695188.

Multiplying 4855851 by its reverse (1585584), we get a square (7699359651984 = 2774772²).

It can be divided in two parts, 485 and 5851, that added together give a palindrome (6336).

The spelling of 4855851 in words is "four million, eight hundred fifty-five thousand, eight hundred fifty-one".